Posted by Please help on Tuesday, January 11, 2011 at 8:43pm.
A set of data has a mean of 25 and an outlier of 5. You find the mean without the outlier. Which of the following best describes your new mean?
A. The new mean is the same as the original mean.
B The new mean is the as the meadian
C. The new mean is greater than the original mean.
D. The new mean is less then the original mean.

Math  PsyDAG, Wednesday, January 12, 2011 at 3:05pm
Since the mean is greatly effected by outliers, removing the outlier from below the mean will cause its value to increase (D).
You need to proofread your questions before you post them. If B indicates that the mean will have the same value as the median, without outliers, the mean is the same value as the median in a normal distribution.

Math  Jordan, Wednesday, January 18, 2012 at 10:11am
A set of data has a mean of 35 and an outlier of 100. You find the mean without the outlier. Which of the following best describes your new mean?
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