Basic Statistics Formulas With Examples Pdf. Z x p n n 0 1 t x s p n t with n 1 degrees of freedom v n 21 s 2. X px x px µ σµ binomial distributions number of successes or x.
In the statistical formula represents the variance of the first sample proportion and s. Z x p n n 0 1 t x s p n t with n 1 degrees of freedom v n 21 s 2. 2with n 1 degrees of freedom z x.
Deviation s x r 1 n 1 x x i x 2 6 z score z x 7 correlation r 1 n 1 xn i 1 x i x s x y i y s y 8 linear regression line y a bx 9 b r s y s x a y bx 10 s v u u t 1 n 2 xn i 1.
22 mean of a discrete probability distribution. 2 2 in the statistical formula represents the variance of the second sample proportion. N n 1 x2 sample variance e x. Textbooks and formula sheets interchange r and x for number of successes chapter 5 discrete probability distributions.