Mathematics · Measures of Dispersion

Identify the correct relationship between Quartile Deviation (Q.D.) and Standard Deviation (S.D.) for a normal distribution.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1S.D. = 2 Q.D.
23 Q.D. = 2 S.D.✓
3S.D. = Q.D.
42 Q.D. = 3 S.D.

Correct answer

3 Q.D. = 2 S.D.

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