Mathematics, 27.08.2019 02:30 ayoismeisalex

The mean number of hours per day spent watching television, according to a national survey, is 3.5 hours, with a standard deviation of two hours. if each time was increased by one hour, what would be the new mean and standard deviation? (2 points)

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The mean number of hours per day spent watching television, according to a national survey, is 3.5 h...