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A research organization wanted to estimate the average

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A research organization wanted to estimate the average number of hours a college student sleeps per night during the school year. After randomly sampling 159 college students, the research organization determined the following 90% confidence interval: (6.8 hours/night, 7.3 hours/night).

What is the value of the sample mean? (round 2 decimals)

Reference no: EM13625493

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