Which of the following measure of dispersion is based on absolute deviations?
Options
ARange
BS. D
CMean deviation
DQuartile deviation
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Measures of Central Tendency and DispersionMCQPYQ Nov 20Question 3091 of 473
All Questions Correct Answer
✅ Option c — Mean deviation
All Options:
- ARange
- BS. D
- CMean deviation
- DQuartile deviation
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Detailed Solution & Explanation
The mean deviation (M.D.) of a set of data is the arithmetic mean of the absolute values of the deviations of the observations from an average (Mean, Median, or Mode). Because it takes the absolute value of each deviation, it is explicitly based on absolute deviations. Standard deviation is based on squared deviations, and range is based only on extreme values.
Hence, **Option C** is the correct answer.
About This Chapter: Measures of Central Tendency and Dispersion
Paper
Paper 3: Quantitative Aptitude
Weightage
12-15 Marks
Key Topics
Mean, Median, Mode, Range, Mean Deviation, Standard Deviation
The core foundation of Statistics. This chapter covers Mean (Arithmetic, Geometric, Harmonic), Median, Mode, and their properties. It also explores measures of spread like Range, Mean Deviation, Standard Deviation, and Quartile Deviation.
View Official ICAI SyllabusExam Strategy Tip
Do not just memorize formulas; ICAI loves asking about the mathematical properties (e.g., 'sum of deviations from the AM is always zero'). You can usually eliminate 2 options just by knowing the properties.
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