The sum of mean and SD of a series is a + b, if we add 2 to each observation of the series then the sum of mean and SD is :

CA Foundation · Quantitative Aptitude · MTP · June 2024
The sum of mean and SD of a series is a + b, if we add 2 to each observation of the series then the sum of mean and SD is :
(A) A. a+b+2
(B) B. 6-a+b
(C) C. 4+a-b
(D) D. a+b+4

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. a+b+2

Topics: Part-C: Statistics

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

Related Questions in this Topic