acoverupoze5th acoverupoze5th

06-07-2018
Mathematics

contestada

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

Respuesta :

Bryony16 Bryony16

06-07-2018

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! :)

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