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Grade-3
Mean
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Find the mean for the following set of numbers :
1, 12, 13, 14, 15
Explanation
Remember, mean is the average of all data values.
Mean = Add all the values in the set/ the total number of data values in the set.
= (12 + 13 + 1 + 14 + 15)/5
= 55/5
= 11
Therefore, the mean for the given set of numbers is 11
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