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Question
If for certain frequency distribution, Median = 156 and Mode = 180, Find the value of the Mean.
Sum
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Solution
Mean - Mode = 3 (Mean - Median)
∴ Mean - 180 = 3 (Mean - 156)
∴ Mean - 180 = 3 Mean - 468
∴ 468 - 180 = 3 Mean- Mean
∴ 288 = 2 Mean
∴`288/2` = Mean
∴ Mean = 144
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