Emma's final grade in her math class is the average (mean) of her 5 chapter tests she took throughout the year. If she received
a 92%, 85%, 78%, 97%, and 88% on the five tests, what is her final grade?
2 answers:
Answer:
Step-by-step explanation:
The mean (or average) of a set of numbers can be found with the following formula:

For this problem, we have five numbers, so we add them together and divide by 5:



Answer:
88%
Step-by-step explanation:
Emma took tests of her 5 chapters throughout the year.
She received the score on the five tests
92%, 85%, 78%, 97% and 88%
We have to calculate the average (mean) of her final grade.
average = 
= 
= 
= 88%
Her final grade would be 88%.
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Step-by-step explanation:
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