useful for comparing the size of each category with the whole (ie the proportion of the whole population falling in each category). A bar graph is more useful for comparing the sizes of different categories with each other. Find the mean of the set of data.
-3, -4, -4, 4, 6
A)0.8
B)1.25
C)2
D)1

Question

Quizplus · Accepted Answer

To find the mean of the set of data, you add all the numbers together and then divide by the number of numbers. (3 + (-4) + (-4) + 4 + 6) / 5 = 5 / 5 = 1.

Useful for Comparing the Size of Each Category with the Whole