By how much does the mean of the data set below change if the outlier is removed? Round your answer to the nearest tenth, if necessary.
8, 6, 9, 12, 19, 7, 10, 8
(1 point)

0.5
0.6
1.3
2.4

Question

By how much does the mean of the data set below change if the outlier is removed? Round your answer to the nearest tenth, if necessary. 
8, 6, 9, 12, 19, 7, 10, 8 
  (1 point)

0.5
0.6
1.3
2.4

phi · Answer

You could find the average (another name for mean) of the data

then toss out the outlier  (the number that is furthest from the mean) and find the average of the new set of numbers.  The difference is how much the mean changed

anonymous · Answer

is it 2.4?

anonymous · Answer

@phi

phi · Answer

what did you get for the mean of all the numbers ?

anonymous · Answer

372

phi · Answer

to find the average, you add up the numbers, then divide by how many numbers you have

anonymous · Answer

79/8 @phi

phi · Answer

I would change that to a decimal
next, which # is the outlier ?  toss it out, a recalculate the mean.

anonymous · Answer

9.875

anonymous · Answer

@phi

phi · Answer

yes.   now which # is the outlier ?  toss it out, a recalculate the mean.

phi · Answer

the outlier is the furthest away from the mean.