The mean of 5 scores is 7. When an extra score is included, the new mean is 8. What is the extra score?

asked Dec 26, 2021 177k views

1 vote

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2 votes

7 7 a a a as a as a a a a. A a a a a a a a. A. A a. A a

Zstew answered Dec 27, 2021

by Zstew

3.4k points

3 votes

Answer:

Explanation:

Mean of 5 scores = 7

Sum of 5 scores = 7*5 = 35

New mean = 8

Sum of 6 scores = 8 *6 = 48

Extra score = 48 - 35 = 13

Surbina answered Jan 2, 2022

3.3k points

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