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UP TGT Mathematics Statistics Test Series - Part 6

For a symmetrical distribution, Quartile Deviation is approximately equal to:

Type: MCQ • Marks: 1
For a symmetrical distribution, Quartile Deviation is approximately equal to:
Options
A. 4/5 of Standard Deviation
B. 5/6 of Standard Deviation
C. 1/3 of Standard Deviation
D. 2/3 of Standard Deviation
Explanation
Empirical relation: Quartile Deviation = 2/3 * Standard Deviation (or 0.6745 * SD).
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