ACTIVITY 3.2 COMPUTATIONS OF STATISTICAL DESCRIPTIVE MEASURES
Problem
Given the grouped data below, compute for the following descriptive measures. Use can use
Excel in solving.
1.
2.
3.
4.
5.
6.
Mean
Median
Mode
Range
Variance
Standard deviation
Class Intervals Frequency
66 - 72
5
59 - 65
2
52
58
9
45 - 51
3
38 - 44
5
31 - 37
7
24
30
1