Question

The test scores for a math class are shown below. 81, 85, 82, 93, 85, 84, 95, 87, 88, 91 39. What are the mean, median, and mode of the data set?​

Answer 1

The median is the middle term in the arranged data set. In the case of an even number of terms, the median is the average of the two middle terms.
85
+
87
2
85
+
87
2
Remove parentheses.
85
+
87
2
85
+
87
2
Add
85
85
and
87
87
.
172
2
172
2
Divide
172
172
by
2
2
.
86
86
Convert the median
86
86
to decimal.
86