Mathematics, 25.05.2021 23:50, kvivas54

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 30 hours and the median is 26.2 hours. 20 for the families in the sample turned on the television for 15 hours or less for the week. The 12th percentile of the data is 15 hours. approximately how many families are in the sample?

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