July 8, 2021. Here are a few things to keep in mind as I post overall AP score information these next few weeks: Unless otherwise noted, these score distributions will include all students from the May exam dates. But because they include all students' scores, they should not be interpreted as the scores of any one teacher's classroom.2021 AP Exam Administration Scoring Guidelines - AP Physics C: Mechanics - Set 2 Author: College Board Subject: Advanced Placement; AP; Keywords: 2021 ; AP Exam Administration ; Scoring Guidelines; scoring information; free-response scoring criteria; scoring resources; FRQ; teacher resources; exam information; ADA Created Date: …Student Score Distributions* AP Exams - May 2022 Author: College Board Subject: AP; Advanced Placement Keywords: AP; Advanced Placement; Annual AP Program Results; Exam Volume Changes; Program Size; AP Reading Reader Reports; AP Data; AP Research; Score Distributions; AP Scholars; School Reports; Created Date: 8/31/2022 3:05:29 PM AP Physics C: Mechanics (5 or 4 with other Physics C credit) AP Physics C: Electricity and Magnetism (5) AP Spanish Language and Culture (4 or 5) AP Spanish Literature and Culture (4 or 5) AP World History (5) University of Pennsylvania. Some AP exam scores will be rewarded with class credit or they may result in eligibility for a higher-level ...from the room may result in the cancellation of AP Exam scores. Students may take both Physics C exams, Mechanics only, or Electricity and Magnetism only. The Mechanics exam is administered first, after which students taking both exams are given a break. Then, the Electricity and Magnetism exam is administered. Prior to testing day, determine whichfrom the room may result in the cancellation of AP Exam scores. Students may take both Physics C exams, Mechanics only, or Electricity and Magnetism only. The Mechanics exam is administered first, after which students taking both exams are given a break. Then, the Electricity and Magnetism exam is administered. Prior to testing day, determine whichExam Coverage Update. Colleges agree that Units 8–10 can be removed from AP Physics 1 since they are covered in AP Physics 2; accordingly, Units 8–10 are no longer tested in AP Physics 1. As of 2021, AP Physics 1 Exams …Impossible Foods said today that it will now be available in Walmart, the largest meat market in America. The deal with Walmart and other retail locations across the country increases the company’s physical footprint 50x. Impossible Foods w...Ap Psych score distribution r/APStudents • With 93% support from our parent body and an 8-3 majority from the trustees, we adopted the following curriculum for Triple Accelerated Math and Science(follow up to a previous post).Your score report includes all your scores from all the AP Exams you took in the past. Your entire score history will be sent to your designated college, university, or scholarship program unless you choose to withhold or cancel any of your scores. When you look at your online score report, check that it’s complete.AP and IB scores will begin being reviewed and posted to Caesar in early to mid-August. ... Physics C (Mechanics) 5: 1.34 units (PHYSICS 135-1 and lab course 136-1) Physics C (Electricity & Magnetism), for exams taken either before or after calendar year 2020: 5:The score distribution tables on this page show the percentages of 1s, 2s, 3s, 4s, and 5s for each AP subject. Download a PDF version of the 2022 score distributions. 2022 Score Distributions: AP CapstoneApr 20, 2023 · To calculate your likely AP Physics C: Electricity and Magnetism score, use the sliders below to adjust the 1 multiple-choice section and 3 free response questions. The curve for this score calculator is based on the most recently available scoring guidelines. You may also want to check out our AP Physics C: Mechanics score calculator. The Albert Team Last Updated On: March 1, 2022 Wondering how your AP® Physics C: Mechanics score is determined? Then check out this interactive AP® Physics C: Mechanics score calculator! Just input numbers or adjust the sliders for the multiple choice and free-response sections. You'll get an immediate score calculation.ADVANCED PLACEMENT PHYSICS C TABLE OF INFORMATION -2-CONSTANTS AND CONVERSION FACTORS Proton mass, 1.67 10 kg 27 m p Neutron mass, 1.67 10 kg 27 m n Electron mass, 9.11 10 kg 31 m e Avogadro's number, 23 1 N 0 6.02 10 mol Universal gas constant, R 8.31 J (mol K) < Boltzmann's constant, 1.38 10 J K 23 k B Electron charge magnitude, e 1.60 10 ...The AP Physics 1 Course and Exam Description (.pdf/3.2MB), which has everything you need to know about the course and exam. Sample Questions from the Physics 1 and 2 Exams (.pdf/1MB), which provides additional examples. Free response questions from past AP Physics B exams, which are still available even though that course has been replaced by ...1 student, out of 107,000 worldwide, our future Secretary of State, earned all 130/130 pts possible on this year's AP Euro History exam. Multiple-choice: students scored best on questions on topics from 1648-1815. Short answer questions: students scored very well on #2 (printing centers) & #4 (Scientific Rev).Mean Score ; 3.06 - Standard Deviation 1.36 -**Standard students generally receive most of their foreign language training in U.S. schools. They did not indicate on their answer sheet that they regularly speak or hear the foreign language of the exam, or that they have lived for one month or more in a country where the language is spoken.2022 AP Psychology Score Distributions. comment sorted by Best Top New Controversial Q&A Add a Comment kylepierce722 APUSH (3) AP Calculus AB (3) AP Psychology (3) • Additional comment actions ... AP Physics Course & Exam Revisions To Take Effect Starting From The 2024-2025 School Year.Explore the AP Physics C - E&M score distributions for 2023 and gain valuable insights . Stay updated on the latest trends and analysis surrounding college admissions using ap credit. AP Physics C - E&M Score Distribution 2023. Top 10 Hardest ...To predict your likely AP Calculus AB score come test time, use the sliders below to adjust the 1 multiple-choice section and 6 free response questions. The curve for this score calculator is based on the most recently available scoring guidelines. Section I: Multiple Choice. 30 /45. 0 /45 45 /45. MCQ Score. Section II: Free Response - Question 1.2 students, out of ~162,000 worldwide, earned all 80 points possible on this year’s AP Physics 1 exam. We’ll notify them and their schools this fall once all late exams have been scored. The 2023 AP Exam Score Distributions displayed by exam as tweeted by Trevor Packer, the head of Advanced Placement Program.If you take the AP Calculus BC Exam, you’ll get a Calculus AB subscore (1–5) in addition to your regular score. The Calculus AB subscore shows how you did on the part of the exam devoted to Calculus AB topics, which is approximately 60% of the exam. The subscore gives colleges and universities more information about your abilities.2016 Exam Score Distribution for AP Physics C: Mechanics Author: The College Board Subject: 2016 Exam Score Distribution for AP Physics C: Mechanics Keywords: Score Distribution; 2016; Exam Scoring Information; teacher resources; exam resources; AP Physics C: Mechanics Created Date: 10/3/2016 1:12:01 PM a spherically symmetrical charge distribution. The sign and density of the charge distribution changes as a function of radius . r. from the center of the sphere, represented by . ρ ( ) r. A hole extends from one side of the sphere, through the sphere's center, and to the opposite side of the sphere. A small nonconducting ballAP® PHYSICS 1 2015 SCORING GUIDELINES Question 3 (continued) Distribution of points © 2015 The College Board. Visit the College Board on the Web: www.collegeboard.org.The AB sub-score is based on the correct number of answers for questions pertaining to AB-material only. See also. Education portal; Mathematics portal; United States portal; AP Physics C: Mechanics and AP Physics C: Electricity and Magnetism; AP Precalculus; Glossary of calculus; Mathematics education in the United States; Stand and Deliver ...See new Tweets. @APforStudents. Advanced Placement courses give students access to college-level work in high school, helping them save time and money in college. exploreap.orgJoined November 2012. 1,175Following. 96.4KFollowers.Title: AP® Physics C: Mechanics Student Score Distributions Global AP Exams May 2019 Author: College Board Subject: AP; Advanced PlacementAP® Physics C: Electricity and Magnetism Student Score Distributions – Global AP Exams – May 2021 2021 College Board. Visit College Board on the web: collegeboard.org.Physics C: Mechanics Physics C: Electricity and Magnetism (starts at 2 p.m. ... AP Exam Score Distribution 2022. Show. 10, 25, 50, 100. entries. Search: AP Test ...AP® Physics C: Mechanics Student Score Distributions – Global AP Exams – May 2019. Exam Score. Subject. Subject. Exam Score. N. % At.The May 3 In-School Paper Exam - The largest exam date for AP Physics C: Mechanics was May 3, so the following information is specific to the exam version administered on that date. Multiple-choice section: Course Units: AP Physics C: Mechanics students demonstrated strongest mastery of Unit 1, Kinematics, and least mastery of Units 5–7.Physics 1 is always the exam with the lowest average score so I’m not suprised. vigilantcomicpenguin • 3 yr. ago. Well, yeah, but that’s just because it’s Physics 1. Fizzexx • 3 yr. ago. Most years the pass rate is 40% - 45%. NoLimitException • 3 yr. ago. Bet u got a 5 on stats. spineappletwist • 3 yr. ago.To predict your possible AP Art History score, use the sliders below to adjust the 1 multiple-choice section and 6 free response questions. The curve for this score calculator is based on the most recently available scoring guidelines. Section I: Multiple Choice. 40 /80. 0 /80 80 /80.Our Rating: 5 / 5. 5 Steps to a 5: AP Physics C is our top pick for AP Physics C: Mechanics review guide. It takes our top spot due to its detailed and focused information, access to bonus online content, and realistic practice tests. The full list of features include: 3 full-length practice exams.AP Physics C: Electricity and Magnetism Exam Date - AP Students | College Board. Tuesday, May 14, 2024 2 PM Local.AP® Physics C: Mechanics Student Score Distributions - Global. AP Exams - May 2014 . Exam Score Subject N % At 5 . 15,244AP Physics C. Each of the following topics has at least a practice test, read the description of each topic to see what will be on it. To access the pdf, click on the green link and the pdf will open in another tab. 1D Motion (Unit 1 Mechanics) Practice Test. Deriving and using kinematic Equations. Position v. Velocity v. Acceleration. Using ...The AP Physics 1 - Algebra Based Exam Score Distributions compared across all the years since 2011 STUDENTS - Locate your School ... Score Distributions. This table is sortable by clicking on the header Orange denotes a year that the course underwent a major revision. Year 5 4 3 2 1 Mean 3+ 2-AP Physics; Physics C: Mechanics, Physics C: Electricity and Magnetism Course Description . or "Terms Defined" in the . AP Physics 1: Algebra-Based Course and Exam Description . and the . AP Physics 2: Algebra-Based Course and Exam Description. 5. The scoring guidelines typically show numerical results using the value . g = 9.8 m s. 2, but ...Physics C: E&M curve ranges between 57-59%. Those are usually the percentages required for a 5, but it is HARD to get those scores, so just do lots of practice and ask your teacher questions for help. senjumywaifu • 1 yr. ago. cuz the curve compensates for the difficulty, i think 65% or so on the AP exam is a 5.That website is gonna be updated every time Trevor Packer tweets out score distributions. At the moment I'm making this post, the 2022 AP Score distributions for the 4 Physics exams and Spanish Lit are here.2023 AP Computer Science Principles Score Distribution. CSP always has one of the lower percentages of 5s of any AP because of the way the scoring is structured. Some of the easier AP (or so called easier) have low pass rate because everyone takes it. Even less fortunate ones in smaller district which tends to score lower.The AP Physics exams have changed gradually and organically through the years, but the redesign to the new AP Physics 1 and 2 courses will be seismic and unprecedented. Um, wait... not unprecedented. The College Board did a similar redesign of the AP Biology course for the 2013 exam; and of the AP Chemistry course for the 2014 exam.1 credit for 5 on AP Music Theory test. None: None: Physics: 1 credit for 5 on either AP Physics C test, with 5 on AP Calculus AB test or 4 or 5 on Calculus BC test. 2 credits for 5 on both parts of Physics C test with requisite score on Calculus AB or BC test. No credit for AP Physics 1 or 2 tests.AP Physics C: Electricity and Magnetism is a one-semester, calculus-based, college-level physics course, especially appropriate for students planning to specialize or major in one of the physical sciences or engineering. Students cultivate their understanding of physics through classroom study and activities as well as hands-on laboratory work ...From Archimedes' buoyancy to Einstein's mass-energy equivalence, explore physics across the ages with Albert's AP® Physics 2 exam prep. AP® Physics C: Electricity & Magnetism. Show description.AP® Physics C: Mechanics 2021 Scoring Commentary Question 3 (continued) Sample: M Q1 C Score: 3 Part (a) earned 1 point for using a correct integral Calculus equation to determine moment of inertia, but no point for substituting λdx into the correct equation. Part (b) earned 1 point for dividing by M.Your score on the grading curve: 0% 10% 20% 30% 40%. Why is my grade curved? Once the total composite scores are calculated, Collegeboard curves them differently each year to keep consistent standards and regular pass rates, which means we can only estimate based off of previous years. Why use AP Pass? I use only past released exam formulas ...2022 AP Exam Administration Score Distributions: AP Physics 2 Author: College Board Subject: AP; Advanced Placement; ADA Keywords "2022 AP Exam Administration ; Score Distributions; scoring information; scoring resources; exam information; teacher resources; "; Created Date: 12/25/2022 10:28:18 AMContact [email protected] or call 217-244-4437. The University of Illinois recognizes the value of the Advanced Placement (AP) Program and the International Baccalaureate (IB) Programme. Students should be aware that there are times when it is in their best interest to take the course that corresponds to the AP or IB credit instead of accepting ...Section 2: 3 short-answer questions, 45 minutes, 50% of your total score AP Physics C: Electricity & Magnetism. AP Physics C: Electricity and Magnetism is the highest level AP Physics course available. It follows AP Physics C: Mechanics and is often offered as a second semester course for students who have completed AP Physics C: Mechanics in ...Download the 2021 report detailing new analyses of AP scores 1 and 2 and how there are benefits to taking AP courses even for students who don't meet the 3 and 4 score threshold. PDF 708.19 KB * This table reflects 4,751,957 AP Exams taken by 2,642,630 students from 22,152 secondary schools. ** In 2020, the AP Studio Art Program was renamed AP Art and Design. The course names are Drawing, 2-D Art and Design, and 3-D Art and Design. *** Standard students generally receive most of their foreign language training in U.S. schools.Exam Coverage Update. Colleges agree that Units 8-10 can be removed from AP Physics 1 since they are covered in AP Physics 2; accordingly, Units 8-10 are no longer tested in AP Physics 1. As of 2021, AP Physics 1 Exams focus exclusively on content covered in Units 1-7.The AP Physics 1 exam is divided into two sections: multiple-choice (50 questions, 1 hour 30 minutes) and free-response (5 questions, 90 minutes). The mean score for the AP Physics 1 exam in 2022 was 3.02 out of 5. This is higher than the mean score for all AP subjects in 2022, which was 2.92. The pass rate of the AP Physics 1 Exam for 2022 was ... Starting in the 2014–2015 school year, AP Physics B was no longer offered, and AP Physics 1 and AP Physics 2 took its place. Like AP Physics B, both are algebra-based, and both are designed to be taught as year-long courses. Grade distribution. The grade distributions for the Physics B scores from 2010 until its discontinuation in 2014 are as ...The table below shows the score distribution on the AP Physics C: Mechanics exam. The exam is 90 minutes long, and divided into multiple sections. The most common score is a 4. AP Physics C: Mechanics; Exam Score Number of Students Percentage of Students; 5 11,468: 23.5%: 4 13,980: 28.6%: 3 10,412: 21.3%: 2 7,279: 14.9%: 1I’d say somewhere around a 55% raw. jbode19 •. Wait for real, wow! I feel like it’s closer to like 65-70 ish maybe. Physics 1 is notorious for this. It has a very hard, conceptual exam with a low 5 threshold. yea. It changes each year, but physics 1 is one of the harder ones, so probably around a 60%. •.<p>I checked AP pass calculator and the minimum for a 4 for both was 39 points. For a 5 on mech it was 50 and for E&M it was 53. However, I was wondering if anyone knew whether this is reliable or if someone a very recent year's raw score distribution chart.</p>“The 2023 AP Physics C: Mechanics Exam scores: 5: 23%; 4: 28%; 3: 22%; 2: 15%; 1: 12%.”Free-Response Questions. Download free-response questions from past exams along with scoring guidelines, sample responses from exam takers, and scoring distributions. If you are using assistive technology and need help accessing these PDFs in another format, contact Services for Students with Disabilities at 212-713-8333 or by email at ssd@info ...Advanced Placement (AP) AP Physics 1 is known for being a tough test. In fact, in 2021 it had the lowest passing rate of all the AP exams. Only 42% of students who took the AP Physics 1 exam passed it, and only 7% got a 5, the highest score. And the section students struggle the most with is the free-response section.Check out the link for a complete distribution of scores for each AP exam. One very important fact to note is that high average scores don't correspond to the easiest exams! Chinese,Calculus BC, Japanese, Drawing, and Physics C: Electricity and Magnetism are the AP tests with the highest average scores, but they are all known to be quite difficult.AP Physics 1 Test Score Calculator Multiple Choice Right: / 50 Multiple Choice Percent: 100% Design: / 7 Translation: / 12 Short Answer: / 12 Short Answer: / 7 Short Answer: / 7 Composite Score: 100 / 100 (approx) AP Grade: 5 / 5 Find your score: 2016* 2015 * Estimate only View study guides (2)AP Physics C: Electricity and Magnetism Exam Date - AP Students | College Board. Tuesday, May 14, 2024 2 PM Local.58004-00003 AP Physics Course Description 2008-09 • InDCS2 (converted from Quark) • Fonts: Bundesbahn Pi3, Century Old Style, Grk Regular, Serifa, Helvetica, Mathematics Pi 1, Mousefont Plain, Serifa, Universal, Zapf Dingbats • ConversionD1 11/16/06 RI59045 • ConversionD1revs 11/21/06 RI59045 •For example, AP Physics C: Mechanics, AP Calculus BC, and AP Spanish Literature have ... 2022 AP Exam Administration Score Distributions: AP Physics 1 Author ...Anyone can take physics 1, prepared or not. By the time you make it through 3 years of AP physics, you're unlikely to still be there if you're going to get a 1. The same thing happens with BC Calc. If you're confidant enough to take the harder class, odds are you're good enough to score a 5.STUDENT SCORE DISTRIBUTIONS* AP Exams - May 2012 (continued) Exam Score N % At N % At N % At N % At N % At N % At Number of Students 2,177 1,192 6,424 18,161 18,161 18,161 Mean Score 3.64 2.88 3.04 3.04 3.04 3.02 Standard Deviation 1.48 1.41 1.40 1.31 1.32 1.32 Exam Score Physics B Physics C E&M Physics C Mechanics Psychology Spanish LanguageSTUDENT SCORE DISTRIBUTIONS* AP Exams - May 2021 * This table reflects 4,578,302 AP Exams taken by 2,548,228 students from 22,802 secondary schools. ** In 2020, the AP Studio Art Program was renamed AP Art and Design. The course names are Drawing, 2-D Art and Design, and 3-D Art and Design.55.4%. Jun 30. The 2022 AP Calculus AB Exam scores -- solid gains in strong calculus performance this year, resulting in the largest percentage of 5s since 2016. 1 student, out of ~270,000 worldwide, earned all 108/108 points possible on this year’s AP Calculus AB Exam.The Albert Team Last Updated On: March 1, 2022 Wondering how your AP® Physics C: Mechanics score is determined? Then check out this interactive AP® Physics C: Mechanics score calculator! Just input numbers or adjust the sliders for the multiple choice and free-response sections. You'll get an immediate score calculation.Table 4.6 provides student data of the AP scores on the 2015 AP Physics C: Electricity and Magnetism Practice Exam. The mean AP score on the pretest is 1.19; three students scored a 2 and the rest ...AP® Exam Name: Minimum Score Required: Number of Quarter Units Awarded: Stanford Course Placement: AP® Chemistry: 5: 5: CHEM33 or above: AP® Computer Science A: 4: 5: CS 106B or CS 106X: AP® Physics B: 4 / 5: 4 / 8: PHYSICS 23 / PHYSICS 25: AP® Physics C: Electricity and Magnetism: 3 / 4: 4 / 5: PHYSICS 21 / PHYSICS 41: AP® Physics C ...Along with AP Physics 1, the first AP Physics 2 exam was administered in 2015. The content of AP Physics 2 overlaps with that of AP Physics C: Electricity and Magnetism, but Physics 2 is algebra-based, while Physics C is calculus-based. AP Physics 2 is also the most advanced AP Physics class you can take without having to use calculus.Physics B. Physics C. Russian Language and Culture. v. t. e. Advanced Placement ( AP) Art and Design, [1] formerly known as AP Studio Art, is a series of courses offered by the College Board as part of its Advanced Placement program. AP Art and Design is divided into three categories: 2-D Art and Design, 3-D Art and Design, and Drawing.The AP Physics exams have changed gradually and organically through the years, but the redesign to the new AP Physics 1 and 2 courses will be seismic and unprecedented. Um, wait... not unprecedented. The College Board did a similar redesign of the AP Biology course for the 2013 exam; and of the AP Chemistry course for the 2014 exam.2 students, out of ~162,000 worldwide, earned all 80 points possible on this year’s AP Physics 1 exam. We’ll notify them and their schools this fall once all late exams have been scored. The 2023 AP Exam Score Distributions displayed by exam as tweeted by Trevor Packer, the head of Advanced Placement Program. The 2020 AP Exam Score Distributions displayed by exam as tweeted by Trevor Packer, ... Physics C E&M: 40.0%: 22.1%: 11.5%: 16.3%: 10.1%: 73.6% : Jul 08: Physics C ...AP Statistics is an introductory college-level statistics course that introduces students to the major concepts and tools for collecting, analyzing, and drawing conclusions from data. Students cultivate their understanding of statistics using technology, investigations, problem solving, and writing as they explore concepts like variation and ...According to College Board, “The 2022 AP Exams will be administered in schools as paper-and-pencil* exams over two weeks in May: May 2–6 and May 9–13.”. Scores for exams will be made available starting July 2022, at 7am EST. The exact dates are to be announced. Previously, scores were released in waves by different states.These subjects are considered less daunting by students, resulting in higher average scores. The list also includes other relatively accessible subjects, such as AP Art and Design Drawing Portfolio, AP Physics C: Electricity & Magnetism, and AP Art and Design 2D Portfolio, all of which have received commendable mean scores. AP Score ...Unit 2: Thermodynamics. You’ll study heat, temperature, and thermal energy in contexts such as heat engines, heat pumps, and refrigerators. Topics may include: Thermodynamic systems. Pressure, thermal equilibrium, and the Ideal Gas Law. Thermodynamics and forces. Heat and energy transfer.If you honestly feel that you got over 80% of the possible points on that test (maybe 75%), you almost certainly got a 5 on the exam. I definitely think that! I didn't think the exam was too bad. Little harder than the prep exams but not impossible whatsoever.AP Physics C: Electricity and Magnetism Score Distribution from the 2018 Administration Keywords: score information; exam information; average AP score; global; student score distribution AP Physics C: Electricity and Magnetism Score Distribution from the 2018 Administration Created Date: 9/25/2018 2:13:39 PMFive big ideas are covered in the AP® Physics 1 exam: Big Idea 1: Systems - Objects and systems have properties like mass and charge. Big Idea 2: Fields - Fields that exist in space can explain interactions. Big Idea 3: Force Interactions - Forces can describe interactions between objects. Big Idea 4: Change - System interactions ...15.8%. 15.7%. Most colleges and universities require a score of 3 or higher for free college credit. You can score a 5 on the AP World History exam with the right study tools, course instruction, and dedication. Two years into the COVID-19 pandemic, AP World History scores dropped from 60.2% in 2020 to 52.2% in 2021.The number of trees we are surrounded by in our daily lives affects our health, economic welfare and mental we, The AP Physics C: Mechanics Exam will test your understanding of th, STUDENT SCORE DISTRIBUTIONS ... STUDENT SCORE DISTRIBUTIONS* AP Exams - May 2015 Exam Score. Art, AP® Physics C: Mechanics Student Score Distributions Global AP Exams May 2019 Author: College , AP Physics C: Electricity and Magnetism score distributions, 20, The AP Physics C Mech. Exam Score Distributions compared across , Free-Response Questions. Download free-response questions from pa, 2017 AP® Physics C-Mechanics Free-Response Questions • N, 8.7%. 63.5%. Jun 13. This is the 5th year of the AP Physics 2, AP® PHYSICS C: ELECTRICITY AND MAGNETISM 2012 SCORING GUIDELI, AP Physics 1 Test Score Calculator Multiple Choice Right: / 5, The AP Higher Education section features information on rec, AP® Physics C: Mechanics Student Score Distributions - , Unit 5: Analytical Applications of Differentiation, Five big ideas are covered in the AP® Physics 1 exa, Physics for Scientists & Engineers with Modern Ph, AP Physics 1 Score Distributions . AP Physics 1 is th, AP Physics 2 Score Distributions. r/APStudents • Ap statistics .