The test 2

The test scores for a class are 86, 94, 70, 81, 92, 74, 75, 89, 76, and 97. What is the mean of the data set?

Correct answer:

m =  83.4

Step-by-step explanation:

s=86+94+70+81+92+74+75+89+76+97=834 n=10  m=ns=10834=83.4



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