Theo recorded the means and mean absolute deviations of his language arts and Biology scores. He found the difference in the means of the scores of the two subjects. What is the approximate ratio of the difference in the means to each of the mean absolute deviations?
Means and Mean Absolute Deviations of
Theo's Scores
Language Arts
Biology
Mean
98
90
Mean Absolute Deviation
3.5
5
a. 2
b. 5
c. 18
d. 28
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