Statistic Cheat Sheet - Web sheets interchange “r” and “x” for number of successes chapter 5 discrete probability distributions: (iv) pa a = p a. A bmeans that ais less than or the same as b. Web to test a statistical hypothesis, you take a sample, collect data, form a statistic, standardize it to form a test statistic (so it can be interpreted on a standard scale), and decide whether the. 22 mean of a discrete probability distribution: (iii) p1 ab = p1 a p1 b. Cheat sheet algebra (i) a+z b a b = z (ii) a(b+ c) = a b+ a c. [ ( )] standard deviation of a probability distribution: Web 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
(iv) pa a = p a. 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 Web sheets interchange “r” and “x” for number of successes chapter 5 discrete probability distributions: Web formulas and tables for ap statistics i. [ ( )] standard deviation of a probability distribution: 22 mean of a discrete probability distribution: A bmeans that ais less than or the same as b. (iii) p1 ab = p1 a p1 b. (v) abmeans ais bigger than b. Web to test a statistical hypothesis, you take a sample, collect data, form a statistic, standardize it to form a test statistic (so it can be interpreted on a standard scale), and decide whether the. Cheat sheet algebra (i) a+z b a b = z (ii) a(b+ c) = a b+ a c.