Question

Consider the data set 4,5,5,5,6,6,8,9,11,12

what would happen to the mean if another point of 17 was added to the data set?
A.the mean would remain the same
B.the mean would go up by 14
C.the mean would go down by 0.9
D.the mean would go up by 0.9

Answer 1

The answer would be 0.9

Answer 2

D. the mean would go up by 0.9

Explanation:

Add the first set together without the 17, you get 7.1

Add the second set together (so include the 17 this time) you will get 8

meaning the 7.1 went to 8 which is going uo by 0.9