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Mrs. Riley recorded this information from a recent test taken by all of her students. Using the data, what was the average percent score for these $100$ students?

 Apr 1, 2020
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Average  =

 

[ 2*40 + 3*50  + 10*60 + 25*70  + 35*80  + 18*90 + 7*100 ]  / 100  =

 

[7700 ]  /  100  

 

77

 

CORRECTED

 

 

cool cool cool

 Apr 1, 2020
edited by CPhill  Apr 1, 2020

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