Mrs. Witherspoon graphed the most recent test data for her four 8th grade science classes in separate box plots, shown below. The minimum passing score is 70. The class names are A, B, C and D. Which statement is not true? Responses A The median test score in Class B and Class D are equal.The median test score in Class B and Class D are equal. B The variability in test scores in Class A is the same as the variability in test scores for Class C.The variability in test scores in Class A is the same as the variability in test scores for Class C. C Class B has the greatest interquartile range (IQR).Class B has the greatest interquartile range (IQR). D At least half of the students in each class passed the science test represented by the box plots.