What is the arithmeticmean of 100,95,90,85,80 ?

The arithmeticmean of 100,95,90,85,80 is 90

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Find the Mean 100 , 95 , 90 , 85 , 80

average

100, 95, 90, 85, 80

90

Solution steps

Compute the sum of the data set:

i = 1 \sum n a_{i} = 450

Compute the number of terms in the data set:

n = 5

Divide the sum by the number of terms and simplify:

90

= 90

50, 75

\frac{3}{7}, \frac{1}{2}, \frac{2}{3}

1.01, 1.001

4, 9

80, 75, 78, 80, 92, 66, 70, 78, 68, 90, 78

What is the arithmeticmean of 100,95,90,85,80 ?
The arithmeticmean of 100,95,90,85,80 is 90