discodazz9 discodazz9

27-09-2020
Mathematics

contestada

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.)

Respuesta :

surjithayer10 surjithayer10

27-09-2020

Answer:

76.8

Step-by-step 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

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