onlyceleste212
04.02.2020 •
Mathematics
The test score for a class are shown. what is the average test score? 79,80,92,92,81,100,88,98,71,100,91,90
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Ответ:
The average score is equal to 88.5
Step-by-step explanation:
we know that
An average test score is the sum of all the scores on an assessment divided by the number of test-takers.
so
The sum is equal to
The number of test-takers is n=12
The average score is equal to
substitute
Ответ: