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Assume that a sample of 28 students at a University was surveyed and asked how many hours a week they studied for tests and The

Assume that a sample of 28 students at a University was surveyed and asked how many hours a week they studied for tests and The mean number of hours the students stated was 10.6 and with a standard deviation of 4.1.

Calculate a 95% confidence interval to estimate the mean amount of time they spent studying before a test.

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