Question

Below are the line plots for two data sets.

Find the mean of each data set.
Mean of data set A:
Mean of data set B:

Answer 1

Data set A mean = 4

Data set B mean = 6.5

Answer 2

Data set A mean = 4

Data set B mean = 6.5

Explanation:

Data set A:

3(3) + 4(2) + 5(3) = 32

32/8 = 4

Data set B:

5(4) + 6(4) + 7(4) + 8(4) = 104

104/16 = 6.5