What is the arithmeticmean of 3,12,9,5,8,4,10,9 ?

The arithmeticmean of 3,12,9,5,8,4,10,9 is 7.5

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arithmeticmean of 3,12,9,5,8,4,10,9

average

3, 12, 9, 5, 8, 4, 10, 9

7.5

Solution steps

Compute the sum of the data set:

i = 1 \sum n a_{i} = 60

Compute the number of terms in the data set:

n = 8

Divide the sum by the number of terms and simplify:

7.5

= 7.5

13, 10, 12, 1, 9, 10, 8

c (4, 1)

1, 3, 4, 5, 5, 6, 8, 9, 9, 12, 13, 18

13 n C r 7

44, 50, 38, 96, 42, 47, 40, 39, 46, 50

What is the arithmeticmean of 3,12,9,5,8,4,10,9 ?
The arithmeticmean of 3,12,9,5,8,4,10,9 is 7.5