Two history classes with the same number of students took a final exam. The box-and-whisker plots below (sometimes called boxplots) summarize the test scores for each class. Use the box-and-whisker plots to answer the questions. Class A Class B 55 60 65 70 75 80 85 90 95 Test score (a) Which class had a smaller range of test scores? 'Choose one' (b) Which class had test scores with a larger interquartile range (IQR)? 'Choose one' (c) Which class had a higher median test score? 'Choose one' (d) Which class had the highest test score? 'Choose one'