A Sample of 8 Measurements, Randomly Selected from a Normally $\bar { x } = 5.2 , s = 1.1 .$

question 51

Essay

A sample of 8 measurements, randomly selected from a normally distributed population, resulted in the following summary statistics: $\bar { x } = 5.2 , s = 1.1 .$ . Test the null hypothesis that the mean of the population is 4 against the alternative hypothesis $\mu \neq 4 . \text { Use } \alpha = .05$