The median and mode of a frequency distribution are 26 and 29 respectively. Then, the mean is (a) 27.5 (b) 24.5 (c) 28.4 (d) 25.8
The median and mode of a frequency distribution are 26 and 29 respectively. Then, the mean is
(a) 27.5 (b) 24.5 (c) 28.4 (d) 25.8
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(b) 24.5
Mode = (3 × median) – (2 × mean)
⇒ (2 × mean) = (3 × median) – mode
⇒ (2 × mean) = 3 × 26 – 29
⇒ (2 × mean) = 49
⇒ Mean = 49/2
∴ Mean = 24.5
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