Question Bank - Mathematics

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For the moderately symmetrical distribution of age of the employees, mean = 20 and mode = 25. The approximate value of the median is:

A.
\(21\dfrac{1}{3}\)
B.
\(21\dfrac{2}{3}\)
C.
\(22\dfrac{1}{3}\)
D.
\(22\dfrac{2}{3}\)

Solution:

GivenMean = 20Mode = 25Formula3 × Median = Mode + 2 × MeanCalculationMedian = (Mode + 2 Mean)/3? (25 + 2 × 20)/3? (25 + 40)/3? 65/3? Median = 21 2/3

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