Basic Statistics Formulas With Examples Pdf. Textbooks and formula sheets interchange r and x for number of successes chapter 5 discrete probability distributions. 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.
Basic statistics formulas population measures mean 1 n x x i 1 variance 2 1 n x x i x 2 2 standard deviation r 1 n x x i x 2 3 sampling sample mean x 1 n x x i 4 sample variance s2 x 1 n 1 x x i x 2 5 std. Z x p n n 0 1 t x s p n t with n 1 degrees of freedom v n 21 s 2. Tools to calculate sample size and power analysis statistics solutions offers tools to calculate sample size for populations and power analysis for your.
Tools to calculate sample size and power analysis statistics solutions offers tools to calculate sample size for populations and power analysis for your.
22 mean of a discrete probability distribution. Tools to calculate sample size and power analysis statistics solutions offers tools to calculate sample size for populations and power analysis for your. Sample statistics for normal distribution. Z x p n n 0 1 t x s p n t with n 1 degrees of freedom v n 21 s 2.
