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A class of 30 students recently took a test. If 20 students scored 80, 8 students scored 90, and 2 students scored 94, then what was the class average (the mean) on this test?

 Feb 19, 2021
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Average   =   Total points   /  Total students    =

 

 [ 20(80)  + 8(90)   + 2(94)  ]  /  30        =    83.6

 

 

cool cool cool

 Feb 19, 2021

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