(Solved): 1. (10) The histograms shown below contain the test scores for three different sections of a course ...

1. (10) The histograms shown below contain the test scores for three different sections of a course on the same exam. They are on the same scale. a. Did any section do noticeably better than any other section? Why/why not? Use only the information in the histograms to justify your answer. b. Did any section have a noticeably smaller amount of variability than any other? Why/why not? Use only the information in the histograms to justify your answer.