Question 143
If 17 and 20 are respectively the median and the mean of a distribution then its mode is
Solution
Given, Median = 17 and Mean = 20
This can be found out by Pearson's formula which says Mode = 3Median - 2Mean
$$\Rightarrow$$ Mode = 3(17) - 2(20)
$$\Rightarrow$$ Mode = 51 - 40
$$\Rightarrow$$ Mode = 11
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