If a constant value k = 5 is added to every observation in a dataset, how does the Standard Deviation change?

CA Foundation · Quantitative Aptitude · MTP · September 2026
If a constant value k = 5 is added to every observation in a dataset, how does the Standard Deviation change?
(A) A. Increases by 5
(B) B. Decreases by 5
(C) C. Multiplies by 5
(D) D. Remains unchanged

Suggested Answer and Working Notes:

Correct Answer: Option (D)

D. Remains unchanged

Topics: Part-C: Statistics

Open in Interactive Practice Hub · Full Practice Hub · Chapter Weightage · More in this subject

Related Questions in this Topic