Question
Which of the following assertions are CORRECT?
P: Adding 7 to each entry in a list adds 7 to the mean of the list
Q: Adding 7 to each entry in a list adds 7 to the standard deviation of the list
R: Doubling each entry in a list doubles the mean of the list
S: Doubling each entry in a list leaves the standard deviation of the list unchanged
Answer: Option C
Was this answer helpful ?
P and R always hold true
Else consider a sample set {1, 2, 3, 4} and check accordingly
Was this answer helpful ?
Submit Solution