Consider the following scores:
15, 57 ,61, 68, 71, 80, 83, 86, 93, 95

If the outlier, 15, is removed from the set above, which of the following is the closest to the increase in the mean of the remaining scores?

71
5
6
77

Question

Consider the following scores:
15, 57 ,61, 68, 71, 80, 83, 86, 93, 95

If the outlier, 15, is removed from the set above, which of the following is the closest to the increase in the mean of the remaining scores?


71
5
6
77

geerky42 · Answer

Do you know how to find mean?

anonymous · Answer

yea but it still not coming out right when i do it @geerky42

anonymous · Answer

15 + 57 + 61 + 68 + 71 + 80 + 83 + 86 + 93 + 95
_________________________________________________________    =   70.9 = 71
                               10

anonymous · Answer

------^ 15 is out but that is still the right answer

anonymous · Answer

Thats not correct but thank you anyway @Vivid

anonymous · Answer

Seriously! Aw man, sorry about that!

anonymous · Answer

Np @Vivid Thanks anyway

anonymous · Answer

It was 77! The mean is the number that is in the middle. I got confused with mode and mean.