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Grade-3
Mean
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Find the mean for the following set of numbers :
12, 13, 15, 2, 3
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.
= (15 + 2 + 13 + 12 + 3)/5
= 45/5
= 9
Therefore, the mean for the given set of numbers is 9
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