Question

How will adding the value 2 affect the mean and median of the data set 4, 4, 4, 6, 8?
A. The mean and median will decrease by the same amount.
B. The median will decrease more than the mean.
C. The median will stay the same, but the mean will decrease.
D. The mean and median will both stay the same.

Answer 1

Well first first the mean and median of this data set: 4, 4, 4, 6, 8

The mean is found by adding all the values in the data set, and divide it by 5 (the number of data points you have)

The median is the middle value in your data set

Answer 2

So would it be C.?

Answer 3

ya :)

Answer 4

Thank you. @kirbykirby, I gave you a medal. Can you give me one?

Answer 5

sure =]

Answer 6

Thank you.