byremm20 byremm20

30-11-2021
Mathematics

contestada

on her first six test, Sandra's scores were 75 70 80 80 85 and 90 find the mean of the six scores

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jimthompson5910 jimthompson5910

30-11-2021

Answer: 80

Explanation:

First add up the scores: 75+70+80+80+85+90 = 480

Then divide by n = 6 because there are 6 scores. We get 480/n = 480/6 = 80 as the mean.

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