Test the claim that the mean GPA of night students is significantly different than 2.7 at the 0.1 significance level. a)
Posted: Wed May 11, 2022 2:43 pm
Test the claim that the mean GPA of night students is significantly different than 2.7 at the 0.1 significance level. a) The null and alternative hypothesis would be: Ho:u = 2.7 Ho:p = 0.675 Hoiu = 2.7 Ho:p = 0.675 Hoiu = 2.7 Ho:p = 0.675 H1:4 < 2.7 H1:< 0.675 H1 :pi > 2.7 H1:P + 0.675 H1:4 # 2.7 H1:p > 0.675 O O b) The test is: left-tailed two-tailed right-tailed Based on a sample of 60 people, the sample mean GPA was 2.73 with a standard deviation of 0.02 c) The test statistic is: (to 2 decimals) d) The positive critical value is: (to 2 decimals) e) Based on this we: O Fail to reject the null hypothesis Reject the null hypothesis