AP® Statistics 2002 Free-Response Questions. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...Essentially correct (E) if the response satisfies the following two components: 1. The correct answer that the mean is 7.73. 2. Enough work to show that the answer was obtained as a weighted average of the two individual means. Partially correct (P) if the response satisfies only one of the two components.The 2008 AP Statistics free response answers Form B also included questions on confidence intervals, hypothesis testing, and statistical inference. Students had to analyze data, perform calculations, and draw conclusions based on the principles and techniques learned in their statistics course. These questions tested the students' ability to ...2019 AP Statistics Free Response Questions 2019 ap statistics free response questions emma is moving to large city and is investigating typical montly rental. ... AP Stats Chapter 2 Exam Review and answers. Applied Statistics 73% (15) 5. Chpt 3 - Chpt 3. Applied Statistics None. 4. Histograms Student. Applied Statistics None.States the numerical value of at least one of the relevant observed or expected counts of successes or failures for one of the two groups. Clearly labels/identifies the count using words (for example, number of meditators who have high blood pressure), symbols with at least one subscript (for example, n p. ˆ.My solutions, 2016 AP Statistics Free Response, Operational Exam Possible responses to the 2016 AP Statistics Free Resposne questions, draft #1. You can access the questions here. Note: I construct these as a service for both students and teachers to start discussions. There is nothing “official” about these solutions. I certainlyScoring. Steps 1, 2, 3 and 4 are each scored as essentially correct (E), partially correct (P) or incorrect (I). Step 1 is scored as follows: Essentially correct (E) if the response states hypotheses with correct comparisons between the means and defines the population means as the parameters.This is the definitive list of Internet, hosting, mobile, domain name, e-commerce and social media statistics for 2021. List of Internet, eCommerce, Hosting, Mobile & Social Media ...AP Statistics Free-Response Practice Test 3: Two-Variable Data Analysis. AP Statistics Free-Response Practice Test 4: Two-Variable Data Analysis. AP Statistics Free-Response Practice Test 5: Design of a Study: Sampling, Surveys, and Experiments.AP ® STATISTICS. Note: This is an example of 2020 Question 2, a multi-focus free-response item with allotted time of 15 minutes (plus 5 minutes to submit). Question 1 is a longer multi-focus free-response item, with ... Justify your answer. A boxplot of the differences in yield is shown below. Difference in yield (bushels per acre, GM minus ...Looking for an AP® Statistics score calculator? Click here for this and more tips for your test! Practice questions in Albert's AP® Statistics to review exam prep concepts such as describing and collecting data or using samples to make inferences in various contexts.To test the performance of the super igniters, the engineer uses the following process. Step 1: One super igniter is selected at random and used in a rocket. Step 2: If the rocket …Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well as on the accuracy and completeness of your results and explanations. 6. Two students at a large high school, Peter and Rania, wanted to estimate m, the mean number of soft drinks that.Directions: Questions 1 and 2 are long free-response questions that require about 25 minutes each to answer. Questions 3 through 6 are short free-response questions that require about 10 minutes each to answer. Read each question carefully and completely. Answers must be written out in paragraph form.The Course at a Glance provides. useful visual organization of the AP Statistics curricular components, including: Sequence of units, along with approximate weighting and suggested pacing. Please note, pacing is based on 45-minute class periods, meeting five days each week for a full academic year. Progression of topics within each unit.Bill Clerico launched Convective Capital to invest in companies looking to contain the growing wildfire crisis. Wildfires have become an ever-increasing threat as houses are built ...Visit the College Board on the Web: www.collegeboard.org. AP Central is the oficial online home for the AP Program: apcentral.collegeboard.org. + =. - =. AP® STATISTICS 2017 SCORING GUIDELINES. Question 1 (continued) Partially correct (P) if the response includes only three of the four components. Incorrect (I) if the response does not meet ...It’s almost flu season, which means flu-shot season. The New York Times suggests that a good mood can improve your immune response to the shot, giving you one more reason to be hap...AP® Statistics 2004 Free-Response Questions Form B. The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...The primary goals of this question were to assess a student’s ability to (1) describe features of a distribution of sample data using information provided by a histogram; (2) identify potential outliers; (3) sketch a boxplot; and (4) comment on an advantage of displaying data as a histogram rather than as a boxplot.Download free-response questions from past AP U.S. Government and Politics exams, along with scoring guidelines, sample responses, ... Scoring Statistics - Set 1 . Scoring Statistics - Set 2 . Score Distributions . Sample Responses Q1 - Set 1. Sample Responses Q1 - Set 2.AP® Statistics 2009 Free-Response Questions. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations.AP® Statistics 2005 Free-Response Questions The College Board: Connecting Students to College Success The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 4,700 schools, colleges, universities, and other ...Statistics and Probability questions and answers. Modified 2003 AP STATISTICS FREE-RESPONSE QUESTIONS (Form B) 3. A study was conducted to determine if taking vitamin C reduces the occurrence of the flu. The study was conducted using 808 student volunteers who did not take a flu shot. The subjects were randomly assigned to one of two groups a ...Scoring. Steps 1, 2, 3 and 4 are each scored as essentially correct (E), partially correct (P) or incorrect (I). Step 1 is scored as follows: Essentially correct (E) if the response states hypotheses with correct comparisons between the means and defines the population means as the parameters.5 AP® Statistics Free Response Tips. 1. Know the language of statistics and use common phrases like "on average", "predicted increase", or "sufficient evidence to reject the null". Here is an excellent handout of the Top 10 Phrases to use in your Answers for AP® Statistics. 2.Walkthrough of the 2022 AP Statistics Free Free Response #1 Join My Discord Study Server: https://discord.gg/8WGtt3rLink to the released FRQs:https://apcent...The Exam. The AP Stat exam has 2 sections that take 90 minutes each. The first section is 40 multiple choice questions, and the second section is 6 free response questions. Each section counts for half of the overall score. The last free response question counts for 25% of the Section II score.Every single AP Statistics Past Paper including full papers, multiple choice, free response questions and practice papers from 1997 onwards.Peter used the sample mean X as a point estimator for m . Rania used X overall = (0.6) X female + (0.4) Xmale as a point estimator for m , where Xfemale is the mean of the. sample of 60 females and Xmale is the mean of the sample of 40 males. Summary statistics for Peter's data are shown in the table below. Variable.AP Statistics Practice Free Response Test - Chapter 8: Estimating with Confidence 1. A 2005 report by the American Management Association summarized the results of an extensive survey given to 526 randomly selected U.S. businesses. One of the questions asked was whether the company had fired any employees for misuse of the Internet while at work.Question: - AP STATISTICS FREE-RESPONSE QUESTION STATISTICS SECTION II Directions: Show all your work. Indicate clearly the methods you use, because you will be graded on the correctness of your methods as well as on the accuracy and completeness of your results and explanations 1. A large regional real estate company keeps records of home ...AP® Statistics 2002 Free-Response Questions. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...Do you want to practice your AP Statistics skills with full FRQs from past exams? StatsMedic has compiled a comprehensive list of all FRQs by topic, with solutions and scoring guidelines. Whether you need to review one-variable data, two-variable data, inference, or experimental design, you will find plenty of questions to challenge yourself and prepare for the AP Exam.The Ap Statistics Test 9b Answer Key of content is evident, offering a dynamic range of PDF eBooks that oscillate between profound narratives and quick literary escapes. One of the defining features of Ap Statistics Test 9b Answer Key is the orchestration of genres, creating a symphony of reading choices., the difference in population mean response times, is ( ) 22 * NS NS NS ss xx t n n-± + where μ N denotes the mean response for calls from the northern fire station and μ S denotes the mean response for calls from the southern fire station. Conditions: 1. Independent random samples 2. Large samples or normal population distributionsGood morning, Quartz readers! Good morning, Quartz readers! A$AP Rocky awaits his verdict. The American rapper, whose real name is Rakim Meyers, was detained and charged with assau...Are humans separate from chimps and other apes? Learn what separates us from chimps. Advertisement Human beings see themselves in everything. We establish emotional connections to ...AP Statistics Final Examination Free-Response Questions Name Date Period Section II Part A Questions 1-4 Spend about 50 minutes on this part of the exam (70 points) Directions: You must show all work and indicate the methods you use. You will be graded on the correctness of your methods and on the accuracy of your results and explanations.Method 1: Take a random sample of 200 tortillas from the 200,000 tortillas produced on a given day. Measure the diameter of each selected tortilla. Method 2: Randomly select one of the two production lines on a given day. Take a random sample of 200 tortillas from the 100,000 tortillas produced by the selected production line.For the “10 to 20 miles” distance category: The Florida region has the most damage (3.0 million dollars per acre) and so has rank 1. The region with the second-most damage is the Gulf Coast (1.7 million dollars), obtaining rank 2. The Lower Atlantic region has the least damage (0.3 million dollars) and so has rank 3.2021 AP Statistics Free Response #6. AP Statistics 2021 Exam Question 1. The length of stay in a hospital after receiving a particular treatment is of interest to the patient, the hospital, and insurance providers. Of particular interest are unusually short or long lengths of stay…. AP Statistics 2021 Exam Question 2. 2.To answer this question, I will perform a 2 test for association, with a significance level of 0.05. Setup: H 0: There is no association between gender and age for the population of those being treated for schizophrenia. H A: There is an association between gender and age for the population of those being treated for schizophrenia.AP® Statistics 2003 Scoring Guidelines Form B. The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to-face ...Walkthrough of the 2022 AP Statistics Free Free Response #4 Join My Discord Study Server: https://discord.gg/8WGtt3rLink to the released FRQs:https://apcent...Sample: 5A Score: 4. The response earned the following: Part (a) - E; Part (b) - E; Part (c) - E. In part (a) the first sentence correctly compares the medians for both samples, including context, satisfying components 2 and 3. The second sentence correctly states the medians for both groups, satisfying component 1.AP® Statistics 2021 Scoring Commentary. Question 5 (continued) Sample: 5B Score: 2. The response earned the following: part (a) – P; part (b) – E; part (c) – P. In part (a) the response indicates that the researcher’s claim is incorrect, satisfying component 1. The response indicates that the sample sizes are not equal using the phrase ...AP Statistics Free Response Answers. <p>Because the College Board has not released their scoring guidelines, I want to see if CC can compile their own answers for the Statistics exam. Please verify your answers before posting and clearing state which question and which part you are answering.</p>. <p>for #3 (Probability, M=D+E):</p>.For the "10 to 20 miles" distance category: The Florida region has the most damage (3.0 million dollars per acre) and so has rank 1. The region with the second-most damage is the Gulf Coast (1.7 million dollars), obtaining rank 2. The Lower Atlantic region has the least damage (0.3 million dollars) and so has rank 3.Here are all of the FRQs from previous AP Statistics Exams according to topic. A huge thank you to Josh Tabor for always updating this list. Searchable List of All Free-Response Questions Ever. CED Unit 1: Exploring One-Variable Data. CED Unit 2: Exploring Two-Variable Data. CED Unit 3: Collecting Data. CED Unit 4: Probability, Random Variables, …Are humans separate from chimps and other apes? Learn what separates us from chimps. Advertisement Human beings see themselves in everything. We establish emotional connections to ...AP Statistics 2016 Free-Response Questions.pdf Author: CBURNS Created Date: 5/5/2017 7:42:31 AM ...Sample: 4A Score: 4. In part (a) section 1 the response satisfies component 1 as the response identifies the appropriate procedure as a "1 prop z int.". The response satisfies component 2 as the response states the parameter of interest is the "true proportion" when defining the parameter.Harrison was the girls cross country coach at Plant High for 42 seasons, amassing 12 state team titles, second-most in Florida history.AP® Statistics 2009 Free-Response Questions. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations.2021 AP Statistics Free Response #6. AP Statistics 2021 Exam Question 1. The length of stay in a hospital after receiving a particular treatment is of interest to the patient, the hospital, and insurance providers. Of particular interest are unusually short or long lengths of stay…. AP Statistics 2021 Exam Question 2. 2.AP® Statistics 2008 Free-Response Questions The College Board: Connecting Students to College Success The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,000 schools, colleges, universities, and otherThis 2009 AP® Statistics Free-Response Questions AP Test Prep is suitable for 10th - 12th Grade. Preparing for a high-stakes test can be highly nerve-wracking, but understanding the test content and format helps ease the anxiety. The 2009 AP® Statistics free-response questions are available for reference.Scoring Statistics 2016 Free-Response Questions Question Mean Standard Deviation Number of Possible Points 1 1.73 1.00 4 2 1.22 1.21 4 3 1.55 0.85 4 ... www.collegeboard.org . CollegeBoard . Title: AP® Statistics Scoring Statistics 2016 Free-Response Questions Author: College Board Subject: AP; Advanced Placement; 2016 AP Exam Administration ...AP® Statistics 2002 Free-Response Questions. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...AP® Statistics 2002 Sample Student Responses Form B. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to ...2018 AP. STATISTICS FREE-RESPONSE QUESTIONS. 3. Approximately 3.5 percent of all children born in a certain region are from multiple births (that is, twins, triplets, etc.). Of the children born in the region who are from multiple births, 22 percent are left-handed. Of the children born in the region who are from single births, 11 percent are ...Intent of Question. The primary goals of this question were to assess a student’s ability to (1) state the appropriate hypotheses; (2) identify and compute the appropriate test statistic; (3) make a conclusion in the context of the problem; and (4) compare two sets of proportions to identify the preferred habitat.To test the performance of the super igniters, the engineer uses the following process. Step 1: One super igniter is selected at random and used in a rocket. Step 2: If the rocket launches, another super igniter is selected at random and used in a rocket. Step 2 is repeated until the process stops.6. 2002 AP® STATISTICS FREE-RESPONSE QUESTIONS (Form B) (b) The value for the correlation coefficient for these data is 0.85. Interpret this value. (c) Based on the scatterplot in part (a) and the value of the correlation coefficient in part (b), does it appear that. the amount of atmospheric ammonia is linearly related to the swine population ...Part (a) is scored as follows: Essentially correct (E) if the response includes reasonable comments on the following five components: 1. Shape (skewed right) 2. Outlier (at least one) OR gap (one tip amount greater than $20, next highest at most $15) 3.2024 AP Statistics exam study guides, practice quizzes, live reviews, community support | Fiveable ... AP Statistics Free Response Help - FRQ. ... AP Stats Unit 7 FRQ Practice Prompt (#1) Answers & Feedback . 12 min read ... Question: 2002 Ap® STATISTICS FREE-RESPONSE QUESTIONS (Form B) STATISTICS SECTION II Part A Questions 1-5 Spend about 6
Take a practice exam! Do this all in one sitting and give yourself 90 minutes on the clock. This will help you to "feel" what the time constraint will be like on the actual AP Exam day. It will also help you to decide which of the following two approaches to take. Two approaches: (1) Do all six questions in order.Download the free-response questions for AP Statistics and practice your skills for the exam. AP Central provides resources and support for AP teachers and students.College Board AP Statistics: Past Exams. Concise resources for the AP College Board Statistics course. Questions: Samples and Commentary: Scoring: 2023: Free Response Questions: Sample Responses Q1:1. Provides a solution based on a reasonable calculation, equation, or inequality from the answer given in part (b). 2. Clearly selects the next higher integer as the answer. Partially correct (P) if the response correctly completes component (1) listed above but not component (2). Incorrect (I) if the response does not meet the criteria for E ...2019 AP Statistics Free Response Questions 2019 ap statistics free response questions emma is moving to large city and is investigating typical montly rental. ... AP Stats Chapter 2 Exam Review and answers. Applied Statistics 73% (15) 5. Chpt 3 - Chpt 3. Applied Statistics None. 4. Histograms Student. Applied Statistics None.AP® Statistics 2009 Free-Response Questions. The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 5,600 schools, colleges, universities and other educational organizations.conclusion is the same as. AP. Statistics 2022 Scoring Commentary. Question 6 (continued) Sample: 6B Score: 3. The response earned the following: Part (a) – E; Part (b) – E; Part (c) – E; Part (d) – I. In part (a-i) the response provides correct values for the relative proportions, satisfying component 1.AP Statistics 2007 Answers - Free download as PDF File (.pdf) or read online for free.This video explains the solution to the 2024 AP Statistics 3rd Free Response Question. AP Statistics.1. The sizes, in square feet, of the 20 rooms in a student residence hall at a certain university are summarized in the following histogram. Based on the histogram, write a few sentences describing the distribution of room size in the residence hall. Summary statistics for the sizes are given in the following table. Mean.Question 6 (continued) Sample: 6C Score: 1. The response earned the following: part (a) – P; part (b) – P; part (c) – I; part (d) - I. In part (a) the response provides estimated values for the median of both distributions but does not compare them using an explicit comparison phrase. Component 1 is not satisfied.2018 AP. STATISTICS FREE-RESPONSE QUESTIONS. 3. Approximately 3.5 percent of all children born in a certain region are from multiple births (that is, twins, triplets, etc.). Of the children born in the region who are from multiple births, 22 percent are left-handed. Of the children born in the region who are from single births, 11 percent are ...Learn how to tackle the free-response section of the AP Statistics exam with these tips and sample questions. See how to analyze histograms, calculate means and medians, and interpret scatterplots and regression lines.Statistics Test date and time Exam Date: May 22 • Eastern Time: 2 p.m. Exam timing Students will have 25 minutes to read and respond to Question 1, and then 5 minutes to upload their response. After uploading the response to Question 1, students will have 15 minutes to respond to Question 2, with 5 additionalWhat are the answers to the 2010 ap statistics free response questions? Updated: 4/28/2022. Wiki User. ∙ 10y ago. Study now. See answer (1) Best Answer. Copy. What is the answer. Wiki User. ∙ 10y ago. This answer is:AP® Statistics Scoring Statistics 2018 Free-Response Questions Question Mean . Standard Deviation Number of Possible Points ; 1 1.63 ... CollegeBoard . Title: AP® Statistics Scoring Statistics 2018 Free-Response Questions Author: College Board Subject: AP; Advanced Placement; Keywords: 2018 AP Scoring Statistics; exam information; scoring ...Correct Answer: (a) Since the sample size is 40, the sampling distribution of the sample mean will be approximately normal with a mean of 10 (assuming the claim is true) and a standard deviation of .Therefore, the probability a sample would have a mean less than 9.5 is (b) Yes, assuming the same sample size. As long as the sample size is larger than 30, …AP Classroom is a free and flexible online platform that provides i nstructional resources for each AP course to support student learning of all course content and skills. AP Classroom r esources, including AP Daily videos, help your students learn and practice all year.. Learn about all instructional resources in AP Classroom. Learn more about AP Daily videos and their features.Statistics and Probability questions and answers. 2016 AP® STATISTICS FREE-RESPONSE OUESTIONS STATISTICS SECTION II Part B Question 6 Spend about 25 minutes on this part of the exam. 25 Percent of Section II score Directions: Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods ...Early Solutions for the 2022 AP Statistics Exam. For the first time in the history of the AP Statistics exam, there was not a free response question asking students to perform a full significance test! Our students were so disappointed. But this move by the College Board did open up room for some really great questions for this year's exam. As ...The response refers to independence of groups or ads as a required condition. o. The response indicates that a sample size greater than . 30 . ensures normality or the response implies normality as a condition. • A response stating that children are independent can be ignored in the scoring of this component. AP® STATISTICS 2016 SCORING ...90 minutes. Worth 50% of total score. Free-Response Section: 6 questions (5 free response and one investigative task) 90 minutes. Worth 50% of total score. The only major difference between the current format and the format of the 1997 exam is that the 1997 exam had 35 multiple-choice questions instead of 40.3. A test consisting of 25 multiple-choice questions with 5 answer choices for each question is administered. For each question, there is only 1 correct answer. (a) Let X be the number of correct answers if a student guesses randomly from the 5 choices for each of the. 25 questions.3. A test consisting of 25 multiple-choice questions with 5 answer choices for each question is administered. For each question, there is only 1 correct answer. (a) Let X be the number of correct answers if a student guesses randomly from the 5 choices for each of the. 25 questions.AP® Statistics Scoring Statistics 2023 Free-Response Questions. Question. Mean. Standard Deviation. Number of Possible Points. 1.84. 1.00.Download free-response questions from this year's exam and past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. AP Exams are regularly updated to align with best practices in college-level learning. Not all free-response questions on this page reflect the current exam, but the question types ...To test the performance of the super igniters, the engineer uses the following process. Step 1: One super igniter is selected at random and used in a rocket. Step 2: If the rocket …The best answers are usually quite succinct. There is no need for “extra fluff” on an AP Statistics Exam. Use words like “approximately” liberally, especially with the word “normal.” Task Verbs. Pay close attention to the task verbs used in the free-response questions. Each one directs you to complete a specific type of response.May 19, 2021 ... Walkthrough of the 2021 AP Statistics Free Free Response #4 (May 17, 2021 administration). ✓ Join My Discord Study Server: ...AP Statistics 2016 Free-Response Questions.pdf Author: CBURNS Created Date: 5/5/2017 7:42:31 AM ...AP® Statistics 2002 Free-Response Questions. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program®. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face ...Sample: 3A Score: 4. The response earned the following: Part (a) – E; Part (b) – E; Part (c) – E. In part (a) the response satisfies component 1 with the notation N(0.6, 0.04). Component 1 is also satisfied by the use of the z formula clearly identified with “z” and the correct mean and standard deviation.The answers you give for the six free-response AP® Statistics questions will be scored based on the "complete package." Other AP® exams use a more analytic approach, where components of an answer are specified in advance and the graders follow a strict rubric to award points based on correct information given.Unit 14 Unit 14: Prepare for the 2022 AP®︎ Statistics Exam. This unit's exercises do not count toward course mastery. Course challenge. ... Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501(c)(3) nonprofit organization. Donate or volunteer today! Site Navigation. About. News; Impact;AP® Statistics 2006 Free-Response Questions Form B The College Board: Connecting Students to College Success ... Justify your answer. 3. Golf balls must meet a set of five standards in order to be used in professional tournaments. One of these standards is distance traveled. When a ball is hit by a mechanical device, Iron Byron, with a 10 ...Early Solutions to the 2024 AP Calculus Free Response. We're excited to once again share with you our early solutions to this year's AP Calc Free Response Questions. This post will cover both the AB and BC solutions. Note that questions 1, 3, and 4 were identical on both exams. We've listed all 6 AB questions first, and then the three BC only ...2004 AP® STATISTICS FREE-RESPONSE QUESTIONS (Form B) 5. A researcher thinks that modern Thai dogs may be descendants of golden jackals. A random sample of. 16 animals was collected from each of the two populations. The length (in millimeters) of the mandible (jawbone) was measured for each animal. The lower quartile, median, and upper quartile ...4. Be succinct in your AP® Biology free responses. This isn't an AP® English Language free response essay. One of the most common mistakes AP® Biology students make when answering free response questions is thinking if they just write a lot, they can score more points. This is not true. The best answers are usually quite succinct. There is no need for “extra fluff” on an AP