Question

Test the claim that the mean GPA of night students is significantly different than 2.4 at the 0.2 significance level. The null and alternative hypothesis would be: H 0 : p = 0.6 H 1 : p > 0.6 H 0 : p = 0.6 H 1 : p < 0.6 H 0 : μ = 2.4 H 1 : μ < 2.4 H 0 : μ = 2.4 H 1 : μ ≠ 2.4 H 0 : μ = 2.4 H 1 : μ > 2.4 H 0 : p = 0.6 H 1 : p ≠ 0.6 The test is: left-tailed right-tailed two-tailed Based on a sample of 55 people, the sample mean GPA was 2.39 with a standard deviation of 0.06 The test statistic is (to 3 decimals) The positive critical value is (to 3 decimals) Based on this we fail to reject the null hypothesis reject the null hypothesis

Answer 1