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Buenare

How can I find the mean of this number? 21.25?

I added all the numbers and that's the answer but I need it rounded but I can't figure out if I should round in the ones or tens place. Can someone tell me this answer?
Answer this question
Prometheus:

We need to know what the numbers were.

Prometheus:

The mean of a set of numbers is found by adding all of them together, and dividing by the number of numbers in the set or group.

Example: To find the mean of 3,3,5,6,7,9,9 ......add them together, and then divide the sum (42) by 7, because there were seven numbers in the group. 42/7 = 6, so the mean is 6.

Sunni:

it rounds out to 20

Answer:
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