If every observation is multiplied by 3, the Standard Deviation becomes?
- One-third
- Same
- Three times
- None of these
Explanation
Standard Deviation measures spread.
If every observation is multiplied by 3, the spread also gets multiplied by 3.
Mean changes by 3x, and SD also changes by 3x.
Last verified on 21-08-2026
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- One-third
- Same
- Three times
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