The standard normal distribution has mean 0 and standard deviation 1. Z = (x − μ)/σ converts any normal to standard.
Z-tables give P(Z < z) for any z — the basis of every classical statistical test.
The standard normal distribution has mean 0 and standard deviation 1. Z = (x − μ)/σ converts any normal to standard.
Z-tables give P(Z < z) for any z — the basis of every classical statistical test.