aznasian aznasian

10-02-2020
Mathematics

contestada

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

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devishri1977 devishri1977

10-02-2020

Answer:

13

Step-by-step 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

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kobynaiker kobynaiker

10-02-2020

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

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