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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You can easily find the mean of a group of numbers by getting the average. You can do that by simply adding up all of the numbers and then dividing that number by the number of numbers that you have.
to find the mean of a group of numbers, add them together and divide by the number of numbers there are in that group. in this case there are 6
Mean refers to the average of a group of numbers. To find the mean, you add the numbers together and divide by the amount of numbers in the group. For instance, find the mean of 1, 2, 3 Add the numbers together. 1+2+3=6 3 numbers were in the original set of numbers so divide by 3 6/3=2 The mean is 2.
By adding up all the numbers in the group and dividing by the number of numbers in the group.
It is called the 'mean average'