Neilson Company publishes data on the typical American and his television viewing habits. Fifteen adults filled out questionnair
es regarding their television viewing habits and the amount of time that they spend watching television each week. The sample resulted in the following data (amount of time is described in hours): 5 7 11 30 18 21 22 28 26 25 24 15 31 31 3
Twelve children filled out questionnaires regarding their television viewing habits and the amount of time that they spend watching television each week. The sample resulted in the following data (amount of time is described in hours):
8 12 12 26 30 22 16 27 28 27 30 26
Construct a box and whisker plot for the adults' reported data. Construct a second box and whisker plot for the children's reported data. Compute the interquartile ranges for each of the sample data sets. Using complete sentences, compare the interquartile ranges of the two groups.
