Raj polled 100 students in his class to compare the number of hours that teen boys and girls played video games each week. The results of his survey are shown here. Which gender shows greater variability in their playing time?
Answer
A
Boys show greater variability because the 3 rd quartile for boys is 17 but only 15 for girls.
B
Boys show greater variability because the median playing time for boys is 14 point 5 but only 6 for girls.
C
Girls show greater variability because the data for the girls is skewed toward the lower end of the box plot.
D
Girls show greater variability because the interquartile range for girls is 12 for girls but only 8 for boys.