What is the arithmeticmean of 9.5,5.6,7.7,6.6,3.9,2.1,8.8,5.1,7.4,6.5,2.3 ?

The arithmeticmean of 9.5,5.6,7.7,6.6,3.9,2.1,8.8,5.1,7.4,6.5,2.3 is 5.95454…

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arithmeticmean of 9.5,5.6,7.7,6.6,3.9,2.1,8.8,5.1,7.4,6.5,2.3

average

9.5, 5.6, 7.7, 6.6, 3.9, 2.1, 8.8, 5.1, 7.4, 6.5, 2.3

5.95454 \dots

Solution steps

Compute the sum of the data set:

i = 1 \sum n a_{i} = 65.5

Compute the number of terms in the data set:

n = 11

Divide the sum by the number of terms and simplify:

5.95454 \dots

= 5.95454 \dots

72, 76, 74, 78, 82, 80

P (32, 4)

3 n C r 2

- 4, 1, 4, - 2, 5, - 2, 3, 3

4 P 2

What is the arithmeticmean of 9.5,5.6,7.7,6.6,3.9,2.1,8.8,5.1,7.4,6.5,2.3 ?
The arithmeticmean of 9.5,5.6,7.7,6.6,3.9,2.1,8.8,5.1,7.4,6.5,2.3 is 5.95454…