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9. Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and
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Q18 of 145 Page 410

If the mean and median of a set of numbers are 8.9 and 9 respectively then the mode will be

Given: mean = 8.9 and median = 9


By empirical formula,


mode = (3 × median) – (2 × mean)


⇒ mode = (3 × 9) – (2 × 8.9)


⇒ mode = 27 – 17.8 = 9.2

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Mode = ?

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Consider the following table:



















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Questions · 145
9. Mean, Median, Mode of Grouped Data, Cumulative Frequency Graph and
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