Confidence level-mean number of hours students spent working

Reference no: EM13150419

A sample of 100 high school students revealed that the mean time spent working at an outside job each week is 10.7 hours with a standard deviation of 11.6 hours. what is the 99% confidence level for the mean number of hours that the population of high school students spent working each week?

Reference no: EM13150419

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