Question: The scores on a test are 78, 82, 85, 90, and 95. What is the mean (average) score?
A. 82
B. 86
C. 86.5
D. 88
Solution:
The mean is calculated by summing all the values and dividing by the number of values : Mean= 78+82+85+90+95 / 5 = 430⁄5 = 86
Practice makes perfect. We recommend you to practice topic-wise tests https://rankmadeeasy.com/courses-and-test-series . Our expert team has prepared these tests to help you become confident in each topic.
Our Social Media Presence –
https://youtube.com/@rankmadeeasy
https://www.facebook.com/groups/rankmadeeasy
https://www.facebook.com/RankMadeEasy
https://www.instagram.com/rankmadeeasy1
https://twitter.com/rankmadeeasy