A set of test scores from a class of 8 students is: 80 , 85 , 90 , 70 , 75 , 65 , 85 , 80 80,85,90,70,75,65,85,80 Calculate the mean test score. Calculate the median test score.
Added by John D.
Step 1
80 + 85 + 90 + 70 + 75 + 65 + 85 + 80 = 630 Then we divide by the number of students, which is 8. 630 ÷ 8 = 78.75 So, the mean test score is 78.75. Show more…
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