SOLUTION: A distribution of 20 scores has a mean of 50. If 5 new scores of 50 are added to this distribution, what happens to the standard deviation of the distribution?

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Question 839012: A distribution of 20 scores has a mean of 50. If 5 new scores of 50 are added to this distribution, what happens to the standard deviation of the distribution?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Since the standard deviation is a measure of the deviation from the mean, adding more scores at the mean will reduce the standard deviation.