The residual (\$e\$) is the difference between the observed value of the dependent variable (y) and the predicted value (\$ŷ\$). What SAT Target Score Should You Be Aiming For? For an AP, the sum of the first n terms can be calculated if the first term and the total terms are known. If you need help finding practice tests, check out our guide specifically on where to find the best AP Statistics practice questions and tests. (See formula on formula sheet.) Formulas and Tables for AP Statistics I. Descriptive Statistics 1 i i x xx nn ∑ =∑= ( ) ( ) 2 1 2 1 1 i xi xx s xx n n ∑− = ∑− = − − y a bx ˆ = + y a bx K eep this pack et in an acc essible plac e !such a s ACT Writing: 15 Tips to Raise Your Essay Score, How to Get Into Harvard and the Ivy League, Is the ACT easier than the SAT? Get the latest articles and test prep tips! Important Concepts not on the AP Statistics Formula Sheet Part I: IQR = Q 3 – Q 1 Test for an outlier: 1.5(IQR) above Q 3 or below Q 1 The calculator will run the test for you as long as you choose the boxplot with the oulier on it in STATPLOT Linear transformation: Addition: affects center NOT spread adds to , M, Q 1 , Q 3, IQR not σ Bayes' Theorem: \$P(A|B)={P(B|A)*P(A)}/{P(B)}\$. •Coefficient of determination, r2, is the percent of the variation in the response variable that is explained by the model on the explanatory variable. Below are screenshots of the formula sheet, along with a list of the equations it includes. Get Free Guides to Boost Your SAT/ACT Score, exactly what the formula sheet will look like here. \$ۀj�{V{ � �`;�CM��갚�0�����3�2�3�e�� \$!��鸚��7fW�%_KF3F+��'���p�q/�5��+W�\$;;A��XV_1�0�3���30�\$ ����v�g��t��SQ�Y@���ι�č�pU�컮�U�1å��@~��z�" ��N� Stanford has a handy list of calculator shortcuts you can use with your graphing calculator. Stay up to date with the latest information on test dates, AP online review, and what this means for you with our AP COVID-19 FAQ article. There are two caveats though. h�bbd```b``�"��H=ɴD���lM ���2�� ���"g��g��V��2�|6-DJ�͏��Ӂ\$�x�l2����1N�����V?�&�� Have any questions about this article or other topics? %%EOF The formula sheet is actually three pages that contain useful equations in descriptive statistics, probability, and inferential statistics. In high school she scored in the 99th percentile on the SAT and was named a National Merit Finalist. Your teacher will also likely give you a copy of the formula sheet for your in-class exams, so you can get some practice in there too. Check out our top-rated graduate blogs here: © PrepScholar 2013-2018. ,b�a� ����`ى@�� If you go into the AP exam not sure of what's on the formula sheet, you'll lose tons of valuable time searching for the right equations and struggling with how to use them properly. They also give you a way to check your work for some problems. Bayes' theorem is useful for calculating conditional probabilities. If you're going to be taking the AP Statistics exam, you're in luck! Well before exam day, be sure to go through every formula on the sheet and make sure you understand it and know how to use it. The AP Stats formula sheet was updated in 2019 to better meet the needs of students during the exam. How's your grasp on calculating significance? The College Entrance Examination BoardTM does not endorse, nor is it affiliated in any way with the owner or any content of this site. The IQR is used to show dispersion, and it can be a useful way to describe the data in boxplots, histograms, scatterplots, etc. Below are the most important of these. endstream endobj startxref The IQR is the difference between the 75th and 25th percentiles, or the first quartile subtracted from the third quartile. 6 AP Statistics Formula Sheet 8 Part 1: Exploring Data 8 Variable Types 85‐Number Summary 8Other Terms to Know 9 Frequency Distribution 9 Cumulative Frequency Distribution 10 Center, Shape and Spread 11 Types of Plots 13 Marginal Distributions 14 Normal Distribution 15 Part 2: Exploring Bivariate Data 15 Definitions The 5 Strategies You Must Be Using to Improve 4+ ACT Points, How to Get a Perfect 36 ACT, by a Perfect Scorer. It's used in regression analysis. AP Statistics Student Resource Packet The fol lowing formula s and tables are similar t o the ones which wil l be pro vided t o you on the A dvanc ed Plac ement Exam. &F^u�J�Q������%� �� Terrify them because they have no idea what half of the formulas are! First, don't become so dependent on your calculator that you forget how to solve the equations on your own or the logic behind them. Provide a sense of comfort and security, like a warm blanket. That's great because that means you don't need to memorize any of these formulas! We'll explain the exact equations that it includes, show you what the formula sheet looks like, go over a few important equations it doesn't contain, and give you tips on how to get the most out of it.