10 11 10 y 10 8 If the mean is 10 what number could y be?

1 answer:

3 0

To find the mean of a number sequence, add all the numbers together and divide them by the number of numbers used...

10 + 11 + 10 + 10 + 8 = 49

49 ÷ 5 = 9.8

The mean does not match 10, so make up numbers untill it matches.

10 + 11 + 10 + 10 + 8 + 6 ÷ 6

= 10 !

The anwser would be y = 6

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