We have the following data from a study using z scores H0 u

We have the following data from a study using z scores: H₀: u <_ 20 and H_a: u > 20 a=0.05 critical value: 1.64 or 1.65 Z=1.86 p-value=.0314 Based on this info, would you acccept H₀?

Solution

since p-value is less than significance level = 0.05, we reject H0