Suppose you are working with a data set of test scores from a statistics class

Suppose you are working with a data set of test scores from a statistics class, and that the median of the test scores is 75%, but the mean of the test scores is 65%. Explain why the mean is so much lower than the median? What about the data set could cause this to be true? Be sure to answer in complete sentences using correct spelling, grammar, and punctuation.