Two algebra 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. 55 55 60 50 55 65 70 75 80 85 Test score 90 960 Class A Class B - 95 (a) Which class had test scores with a larger interquartile range (IQR)? 'Choose one' (b) Which class had the highest test score? 'Choose one' (c) A score above 70 is considered passing. Which class had more passing scores? 'Choose one' (d) which class had a higher median test score? 'Choose one'