Which of the following measure of dispersion is based on absolute deviations?
A
Range
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B
SD
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C
Mean Deviation
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D
Quartile Deviation
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Solution
The correct option is C Mean Deviation
The Mean Deviation gives more information than range or the Quartile Deviation as it is based on all the observed values. The Mean Deviation does not give undue weight to occasional large deviations, so it should likely to be used in situation where such deviation are likely to occur. So, the answer is C