Question:
Which of the following assertions are correct?
(A) Adding 7 to each entry in a list adds 7 to the mean of the list.
(B) Adding 7 to each entry in a list adds 7 to the standard deviation of the list.
(C) Doubling each entry in a list doubles the mean of the list.
(D) Doubling each entry in a list leaves the standard deviation of the list unchanged.
Choose the most appropriate answer from the options given below :
Which of the following assertions are correct?
(A) Adding 7 to each entry in a list adds 7 to the mean of the list.
(B) Adding 7 to each entry in a list adds 7 to the standard deviation of the list.
(C) Doubling each entry in a list doubles the mean of the list.
(D) Doubling each entry in a list leaves the standard deviation of the list unchanged.
Choose the most appropriate answer from the options given below :
(A) Adding 7 to each entry in a list adds 7 to the mean of the list.
(B) Adding 7 to each entry in a list adds 7 to the standard deviation of the list.
(C) Doubling each entry in a list doubles the mean of the list.
(D) Doubling each entry in a list leaves the standard deviation of the list unchanged.
Choose the most appropriate answer from the options given below :
Updated On: Mar 7, 2026
- (A) and (B) only
- (B) and (C) only
- (A) and (C) only
- (C) and (D) only
Show Solution
Verified By Collegedunia
The Correct Option is C
Solution and Explanation
The correct answer is(C): (A) and (C) only
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