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The National Institutes of Health (NIH) reported that the average time American youths spend outdoors is...

The National Institutes of Health (NIH) reported that the average time American youths spend outdoors is 10.4 hours per week. A student thinks it is less than 10.4. He collected a random sample of 23 American youths, and the sample produced an average of 9.9 hours outdoors and a standard deviation of 1.2 hours. Do you believe that the student’s claim is more reasonable than NIH’s? Test the student’s claim with a significance level of 0.01. Show all the steps you learned in lecture videos and notes.

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