There is a correlation between the number of credits a stude…

There is a correlation between the number of credits a student is taking and the number of hours of sleep they get each night. Can you conclude that the number of credits taken caused a student to get less sleep? Explain your thinking in complete sentences in the answer box below.

A college statistics professor gave the same quiz (scored ou…

A college statistics professor gave the same quiz (scored out of a total of 10 points) to his studentsover the past seven years. The distribution for the scores during one of those years is displayed in the histograms below. The x-axis on each diagram represents the number of points scored on the quiz; the y-axis is the number of students achieving that score. Explain which would be larger, the median or the mean? Type your answer in a complete sentence in the answer box below.