Question: Dean Halverson recently read that full-time college students study 20 hours each week. She decides to a study at her university to see if there

Dean Halverson recently read that full-time college students study 20 hours each week. She decides to 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 35 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 35 students studied each week was 21.1 hours. The sample standard deviation of 4.3 hours.

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