A researcher studies presidential approval polls and finds the following values: 46, 46, 48, 49, 51, and 52. What is the mean approval rating?
A) 46
B) 48
C) 48.67
D) 50

Question

Quizplus · Accepted Answer

To find the mean, we need to add up all the values and divide by the number of values. Adding the six ratings together gives us 46 + 46 + 48 + 49 + 51 + 52 = 292. Divide 292 by 6 (the number of values) and you get 48.67. Therefore, the mean approval rating is 48.67.

A Researcher Studies Presidential Approval Polls and Finds the Following