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Mathematics, 19.08.2020 06:01 ttangelique

The mean number of hours per day spent on the phone, according to a national survey is 4 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?

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The mean number of hours per day spent on the phone, according to a national survey is 4 hours, with...
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