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Q.

 If in a moderately asymmetrical distribution the mode and the mean of the data are 6λ and 9λ  , respectively, then the median is 

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a

8λ

b

5λ

c

6λ

d

7λ

answer is A.

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Detailed Solution

For a moderately skewed distribution, 

Mode = 3 median -  2 mean

⇒6λ=3 median −18λ⇒ median =8λ

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