Ch 2 review question ( descriptive statistics ) [ Note that this question has two parts -note a) AND b) ] a) Find the interquartile range ( IQR ) for each of the following two data sets and compare them. b) Provide the mean, median and mode for each data set. ( For extra credit, also provide a box and whisker plot for each data set ) Test Scores for Class A: 69; 96; 81; 79; 65; 76; 83; 99; 89; 67; 90; 77; 85; 98; 66; 91; 77; 69; 80; 94 Test Scores for Class B: 90; 72; 80; 92; 90; 97; 92; 75; 79; 68; 70; 80; 99; 95; 78; 73; 71; 68; 95; 100