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Grade-5
Mean
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Find the mean for the following set of numbers :
12, 21, 28, 30, 4
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 + 4 + 21 + 28 + 30)/5
= 95/5
= 19
Therefore, the mean for the given set of numbers is 19
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