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Sandy had test scores of 20 25 17 22 and 21 (out of 25 total). what is her average (mean) score?
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Sandy had test scores of 20 25 17 22 and 21 (out of 25 total). what is her average (mean) score?

User Sergei Sirik
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1 Answer

3 votes
To find the mean you add up all the values and divide by how many there are.

So you would do:
20+25+17+22+21 = 105

Then divide:
105/5 (5 values) = 21

Her average score is 21 out of 25.

Hope this helps! :)
User Tomba
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