For the data set 1, 2, 3, 4, 5, the mean is which of the following?

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Multiple Choice

For the data set 1, 2, 3, 4, 5, the mean is which of the following?

Explanation:
Mean is the sum of all values divided by how many values there are. For the data set 1, 2, 3, 4, 5, the sum is 1 + 2 + 3 + 4 + 5 = 15, and there are 5 numbers, so the mean is 15 ÷ 5 = 3. This average represents the value that balances the data. The other potential numbers would imply different totals (a mean of 2 would mean a total of 10, a mean of 4 would mean a total of 20, etc.), which don’t match this data set.

Mean is the sum of all values divided by how many values there are. For the data set 1, 2, 3, 4, 5, the sum is 1 + 2 + 3 + 4 + 5 = 15, and there are 5 numbers, so the mean is 15 ÷ 5 = 3. This average represents the value that balances the data. The other potential numbers would imply different totals (a mean of 2 would mean a total of 10, a mean of 4 would mean a total of 20, etc.), which don’t match this data set.

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