### Possible Answer

(y − y)2 y2 − ( y)2/n. • Regression equation: ˆy b0 b1x, where b1. Sxy. Sxx and b0. 1 ... Binomial probability formula: P (X x) ... ELEMENTARY STATISTICS, 5/E. - read more

It's not usually a big deal. Method 1: This is the definition. The formula for the sample standard deviation s is s = 1. 1. 2 n. x x i. −. −. ∑( ). We often define Sxx =. - read more

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