If every value in a dataset is multiplied by a constant k=-3, how does the variance of the new dataset relate to the original variance σ 2 ?
CA Foundation · Quantitative Aptitude · MTP · September 2026
If every value in a dataset is multiplied by a constant k=-3, how does the variance of the new dataset relate to the original variance σ 2 ?
Suggested Answer and Working Notes:
Correct Answer: Option (B)
B. 9σ 2
Topics: Part-C: Statistics
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