Question

Q6. Which of following assertions is 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
ist.
R: Doubling each entry in a ist doubles the mean of the list.
S: Douding each entry in Ist doubles the standard deviation of the st.​

Answer 1

Answer:

correct answer option R