Mathematics · Statistics
Find the standard deviation of the following frequency distribution: Class Interval (C.I.): 0-6, 6-12, 12-18 Frequency (fi): 2, 4, 6
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15√2
- 2√5
- 32√5✓
- 4More than one of the above
Correct answer
2√5
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