First slide

Introduction to statistics

Question

If in a moderately skewed distribution the values of mode and mean are $6 λ$ and 9 $λ$ respectively, then the value of the median is

Moderate

A

$8 λ$
B

$7 λ$
C

$6 λ$
D

$5 λ$

Solution

For a moderately skewed distribution
Mode = 3 Median - 2 Mean
$\begin{array}{l} \Rightarrow 6 λ = 3 Median - 18 λ \\ \Rightarrow Median = 8 λ \end{array}$

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