Question -
What is the mean of the data set below?
15, 18, 19, 54, 74, 94, 67, 82, 48, 31, 15
Answer -
To find the mean of a data set, you add up all the values and then divide the sum by the number of values.
So in this case, you would add up:
15 + 18 + 19 + 54 + 74 + 94 + 67 + 82 + 48 + 31 + 15 = 517
And then divide by the number of values, which is 11:
517 / 11 = 47
Therefore, the mean of this data set is 47.
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