0 Question 7 E on pt '0 99 G) Details You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 20 night students, and the sample mean GPA is 2.74 with a standard deviation of 0.65 You sample 50 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.57 Calculate the test statistic, rounded to 2 decimal places :] 0 Question 8 B 0/1 pt '0 99 G) Details Note: You will need to use STATCRUNCH to answer this question A researcher takes sample temperatures in Fahrenheit of 16 days from Seattle and 20 days from Tucson. Test the claim that the mean temperature in Seattle greater than the mean temperature in Tucson. Use a significance level of o: = 0.10. Assume the populations are approximately normally distributed with unequal variances. You obtain the following two samples of data. Round answers to 4 decimal places. Seattle Tchon 51.2 41 49.5 46 46.2 57.7 49.3 58.8 51.5 51.3 52.9 53.9 56.6 60.1 65.9 44.9 56.4 42 43.8 48.5 53.1 49.1 51.5 67.9 43.3 48.5 50 58.8 63.7 46.2 43.8 56.7 58.4 60.6 58.8 51.3 What are the correct hypotheses? Note this may View better in full screen mode. Select the correct symbols for each of the 6 spaces. H0: | Select an answer v | | ? v | | Select an answer v| H1: | Select an answer v | | ? v | | Select an answer v| Based on the hypotheses, find the following: Test Statistic = E The p-vatue is to alpha. The correct decision is to | Select an answer v The correct summary would be: |Selecl an answer v | the claim that the mean temperature in Seattle greater than the mean temperature in Tucson