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Avishekdr · Answer 1 · 2019-04-24T15:47:45+0000

Hey there! :)

To find mean, you have to add all the numbers and divide it by how many numbers there are.

70 + 68 + 72 + 66 + 68 + 69 + 66 + 71 + 74 + 66 = 690

There are 10 numbers

690 ÷ 10 = 69

Mean ⇒ 69

:)

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