What is the arithmeticmean of 1,2,3,4,8,8,10,16,20 ?

The arithmeticmean of 1,2,3,4,8,8,10,16,20 is 8

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arithmeticmean of 1,2,3,4,8,8,10,16,20

average

1, 2, 3, 4, 8, 8, 10, 16, 20

8

Solution steps

Compute the sum of the data set:

i = 1 \sum n a_{i} = 72

Compute the number of terms in the data set:

n = 9

Divide the sum by the number of terms and simplify:

8

= 8

60 n C r 6

74, 58, 68, 78, 72, 68, 64, 64, 66

9 p 5

5 p 5

6 n C r 2

What is the arithmeticmean of 1,2,3,4,8,8,10,16,20 ?
The arithmeticmean of 1,2,3,4,8,8,10,16,20 is 8