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you add all of the numbers in the group together and then divide the number you get by how many numbers are in the group

EX: your group is 21, 32, 12, 15. you add 21+32+12+15= 80. then you divide 80 by 4 because you have four numbers in your group. so your mean is 20!

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14y ago

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Q: How do you find the mean of a group of numbers?
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