If each observation of the data is increased by 5, then their mean :
A. remains the same
B. becomes 5-times the original mean,
C. is decreased by 5.
D. is increased by 5.
Answer:D
If each observation of the data is increased by 5, then their mean :
A. remains the same B. becomes 5-times the original mean, C. is decreased by 5. D. is increased by 5.