olivia033
Answered

How will adding the value 20 affect the mean and median of the data set 40, 50, 60, 60, 80, 100?

A. Mean and median will decrease
B. Mean will decrease, but median will stay the same
C. Mean will decrease, but median will increase
D. Both mean and median will stay the same

Please help!



Answer :

M16man66
B. Mean will decrease, but median will stay the same
The mean will decrease because 20 is less than every other value in the data set, hence the average will go down
The median will stay the same because add a seventh term with make the left 60 the median, before you added the 20, both 60's were in the middle, and the average of them was 60.

Other Questions