Central Tendency & DispersionPYQ May 18Question 2858 of 473
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Which one of the following is not a central tendency?

Options

AMean Deviation
BArithmetic mean
CMedian
DMode
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Correct Answer

✅ Option a — Mean Deviation

All Options:

  • AMean Deviation
  • BArithmetic mean
  • CMedian
  • DMode

Detailed Solution & Explanation

**Step 1: Identify measures of central tendency.** Measures of central tendency locate the center of a data set: - **Arithmetic Mean**: sum divided by number of items. - **Median**: middle value when data is sorted. - **Mode**: most frequently occurring value. **Step 2: Identify Mean Deviation.** **Mean Deviation** measures the average of absolute deviations of observations from the mean or median. It is a measure of **dispersion** (spread), NOT central tendency. **Conclusion:** Mean Deviation is NOT a measure of central tendency. Hence, **Option A** is the correct answer.

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