Average minutes per week listening to the radio. Refer to
Chapter , Problem 6.28(choose chapter or problem)
Average minutes per week listening to the radio. Refer to the previous exercise. (a) Give the mean and standard deviation in minutes. (b) Calculate the 95% confidence interval in minutes from your answer to part (a). (c) Explain how you could have directly calculated this interval from the 95% interval that you calculated in the previous exercise.
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