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If in a frequency distribution, the mean and median are 21 and 22 respectively, then its mode is approximately
$\begin {array} {1 1} (A)\;22.0 & \quad (B)\;20.5 \\ (C)\;25.5 & \quad (D)\;24.0 \end {array}$
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math
cbse
class11
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measures-of-dispersion-(mode)
q72
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asked
Jan 26, 2014
by
thanvigandhi_1
retagged
Sep 8, 2014
by
sharmaaparna1
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1 Answer
Mode $ \pm $ 2 mean = 3 median
Mode = $ 3 \times 22 - 2 \times 21$
$ = 66-42$
$ = 24$
Ans : (D)
answered
Jan 27, 2014
by
thanvigandhi_1
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