the answer should be D.
The question ask if 5 is added to each score.
The new mean will be old mean+5, also the new median with 5 more the old.The standard deviation will be the same.
Hope it is helpful!
The question ask if 5 is added to each score.
The new mean will be old mean+5, also the new median with 5 more the old.The standard deviation will be the same.
Hope it is helpful!
