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Question 5 Type numbers in the boxes. 10 points Dean Halverson recently read that full-time college students study 20 hours each week. She decides
Question 5 Type numbers in the boxes. 10 points Dean Halverson recently read that full-time college students study 20 hours each week. She decides to do a study at her university to see if there is evidence that students study an average of more than 20 hours each week. A random sample of 34 students were asked to keep a diary of their activities over a period of several weeks. It was found that the average number of hours that the 34 students studied each week was 21.5 hours. The sample standard deviation of 4.6 hours. Find the p-value. The p-value should be rounded to 4-decimal places. Question 6 Type numbers in the boxes. 10 points A medical researcher is studying the effects of a drug on blood pressure. Subjects in the study have their blood pressure taken at the beginning of the study. After being on the medication for 4 weeks, their blood pressure is taken again. The change in blood pressure is recorded and used in doing the hypothesis test. Change: Final Blood Pressure - Initial Blood Pressure The researcher wants to know if there is evidence that the drug increases blood pressure. At the end of 4 weeks, 34 subjects in the study had an average change in blood pressure of 2.5 with a standard deviation of 5.1. Find the p-value for the hypothesis test. Your answer should be rounded to 4 decimal places.
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