The number of hours per week the television is turned on is

The number of hours per week the television is turned on is determined for each family in a sample. The mean of the data is 35 hours and the median is 31.2 hours. Twenty-four of the families in the sample turned the television on for 20 hours or less for the week. The 14th percentile of the data is 20 hours.

Approximately how many families are in the sample? round your answer to the nearest integer.

Solution