1, 2, 4, 8, 16, 32.
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add up all of the numbers then divide by how many numbers you have. Ex: 12+56+85+32+32+65+42+41 this equals: 365 now you divide this by 8 because that's how many numbers this problem has. so you divide 365 by 8 and get: 45.6 (approxomatly)
16 , 32 , 48 , 64 , 80 , 96 ... and so on
The mean is the average of a set of numbers. To find the average, you must add all the numbers in the set and divide that number by however many numbers are present in the set. For this example, you need to add 32 and 4 and then divide that answer by two, which is 18 in this case.
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!