Test the claim that the mean GPA of night students is larger than 3.5 at the .005 significance level. The null and alternative hypothesis would be: Но:р — 0.875 Но:р — 0.875 Но:a H1:p > 0.875 H1:p+ 0.875 H1:µ + 3.5 H1:µ < 3.5 H1:p < 0.875 H1:µ > 3.5 3.5 Но: и — 3.5 Hо:р — 0.875 Н,: р — 3.5 The test is: two-tailed right-tailed left-tailed Based on a sample of 25 people, the sample mean GPA was 3.55 with a standard deviation of 0.04 (to 2 decimals) The test statistic is: The critical value is: (to 2 decimals) Based on this we: O Reject the null hypothesis O Fail to reject the null hypothesis

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.