Stats Ap Formula Sheet - Web formulas for ap statistics i. Descriptive statistics x = ∑ n x xi = ∑ n = s x 1 2 ∑ = n − 1 ( xi − x ) ∑ ( − xi x )2 n − 1 y ˆ = a + bx y = a.
Descriptive statistics x = ∑ n x xi = ∑ n = s x 1 2 ∑ = n − 1 ( xi − x ) ∑ ( − xi x )2 n − 1 y ˆ = a + bx y = a. Web formulas for ap statistics i.