The results from a recent 10-point quiz are as follows: 10, 8, 10, 6, 7, 3, 5 What is the mean score on this quiz? __________________ What is the variance of scores on this quiz? _________________ What is the standard deviation of the scores on this quiz? _______________ You got the 8 out of 10 in the set of scores above You also got an 8 on the last quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6. Which quiz did you perform better, and why?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 20PPS
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The results from a recent 10-point quiz are as follows:
10, 8, 10, 6, 7, 3, 5
What is the mean score on this quiz? __________________ What is the variance of scores on this quiz? _________________ What is the standard deviation of the scores on this quiz? _______________
You got the 8 out of 10 in the set of scores above You also got an 8 on the
last quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6.
Which quiz did you perform better, and why?

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