Mathematics, 17.09.2019 17:30 kellysmith45

the mean number of hours spent per day on the computer, according to a national survey, is six hours, with a standard deviation of 2.5 hours. if each time was increased by 1.5 hours, what would be the new mean and standard deviation? (2 points)

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the mean number of hours spent per day on the computer, according to a national survey, is six hours...