Infer that students watch less than seven hours per week

Reference no: EM13134269

Suppose you felt that students watch less than 7 hours of TV per week. You took a sample of 30 students, and found the sample mean to be 7.8 with a standard deviation of 1.8. Can you infer that in fact students watch less than 7 hours per week?

Reference no: EM13134269

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