Which one of the following measures of central tendency is used in construction of index numbers?
A
Harmonic mean
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B
Geometric mean
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C
Median
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D
Mode
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Solution
The correct option is D Harmonic mean Harmonic central tendency is used in construction of index numbers.
Because it is the reciprocals of the average of reciprocals of items in a series also If in averaging time rates, distance is constant, then Harmonic Mean is to be calculated.