What is the arithmeticmean of 250,290,300,320,330,340,340,400 ?

The arithmeticmean of 250,290,300,320,330,340,340,400 is 321.25

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arithmeticmean of 250,290,300,320,330,340,340,400

average

250, 290, 300, 320, 330, 340, 340, 400

321.25

Solution steps

Compute the sum of the data set:

i = 1 \sum n a_{i} = 2570

Compute the number of terms in the data set:

n = 8

Divide the sum by the number of terms and simplify:

321.25

= 321.25

20, 16 \frac{3}{4}, 13 \frac{1}{2}, 10 \frac{1}{4}, 7

10, 20, 30, 10, 10, 10, 60, 10, 40, 10

3, 8, 4, 6, 3, 10, 7, 3, 7, 7

6 C 4

4, 4, 5, 7, 10

What is the arithmeticmean of 250,290,300,320,330,340,340,400 ?
The arithmeticmean of 250,290,300,320,330,340,340,400 is 321.25