2.select the correct answer
williams andres
89 90
97 74
78 73
81 87
91 82
Which statement best describes the difference of the mean of the two data sets?

A.
It is equal to about 0.5 times the mean absolute deviation of either data set.
B.
It is equal to about 1 times the mean absolute deviation of either data set.
C.
It is equal to about 1.5 times the mean absolute deviation of either data set.
D.
It is equal to about 2 times the mean absolute deviation of either data set.