It is 86.
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There are three terms. You add the terms and divide by the numbers of terms to find the average/mean. Hence (91 + 93 + 95 ) / 3 279/ 3 = 93 the mean!!!!!
The median is (89 + 91)/2 = 90
The median of these fourteen numbers is 84.
The mean is 85.5 The median is 88.5 The mode is 90
There are approximately 16.4% of students who score below 66 on the exam.