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.
-7.50, 16.72, 9.41, 7.38, 19.52, 17.09, 18.20, 4.11 Round your answer to two decimal places.
A)5.80
B)9.70
C)12.49
D)11.10

Question

Quizplus · Accepted Answer

To find the mean, add all the numbers together and divide by the number of numbers. (7.50 + 16.72 + 9.41 + 7.38 + 19.52 + 17.09 + 18.20 + 4.11) / 8 = 99.93 / 8 = 12.49.

Useful for Comparing the Size of Each Category with the Whole