The mean score on a set of 23 tests is 78. Suppose two more students take the test and score 70 and 56. What is the new mean? (Round to the nearest tenth.)

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asked May 10, 2021 208k views

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The mean score on a set of 23 tests is 78. Suppose two more students take the test and score 70 and 56. What is the new mean?

(Round to the nearest tenth.)

Mathematics
college

Dashton asked

by Dashton

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1 Answer

3 votes

Answer:

76.8

Explanation:

total score of 23 tests=23×78=1794

now total of 25 tests=1794+70+56=1920

new mean=1920/25=76.80=76.8

Johano Fierra answered May 17, 2021

by Johano Fierra

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