Sampling Distributions

Seite 1

Normal

X is a continuous random variable that is normally distributed with mean μ and variance σ^2.

Let X˅1, X˅2, X˅3, ... , X˅n = sample of n independent observations of X.

Let X̅ be their mean; X̅=∑X/n

X̅~N(μ,σ^2/n)