Statisticshard · Past Paper

If the ratio of mode and median of a distribution is 6:5, then the ratio of mean and median is:

A8:9
B9:10
C7:10
D1:2

✓ Correct Answer: B9:10

Mode = 6k, Median = 5k. $6k = 3(5k) - 2Mean \Rightarrow 2Mean = 9k \Rightarrow Mean = 4.5k$. Ratio Mean:Median = 4.5:5 = 9:10.

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