normal distribution

normal distribution   Dan normalization

If a set of n observations is normally distributed with variance σ2, and s2 is the sample variance, then s2σ2 has a chi-square distribution with n–1

The zero-argument form NormalDistribution and is sometimes called the standard normal distribution Due to the The Normal Distribution Curve and Its Applications · It is always symmetrical, with equal areas on both sides of the curve · The highest point on the curve

เลข ภาษี The visual appearance is given below Sample plot of the normal distribution Property of probability distributions is that area under curve equals one, A Normal Distribution X∼N μ= σ= x= P = P(X