-> X1,...,Xn is a random sample from a N(µ,σ2) distribution with σ2 known (I shall denote the mean of X as X(m)) and we obtain Z = X(m)/(σ/√n)

- If Z > 0, let H1 : µ > 0 and reject H0 if Z > zα
- If Z < 0, let H1 : µ < 0 and reject H0 if Z < −zα

- Thread starter danielleleleu
- Start date
- Tags hypothesis testing normal distributions type 1 error