The box plots below show the distribution of grades in one class on two tests.
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72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
Test 1 Grades
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72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100
Test 2 Grades
Which measures of center and variability would be best to use when making comparisons of the two data sets?
mean and MAD
mean and IQR
median and MAD
O median and IOR