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Mathematics, 21.11.2019 08:31 croxy0514

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?
5.5, 3
4.5, 2
3.5, 3
4.5, 3

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