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Unformatted text preview: BDV-97-39 Phone Calls Answer : The mean is 13 cents, the median is 9 cents and the standard deviation is 16 cents. The more appropriate measure for this set of data is the use of the interquartile range since there is little standard deviation. The spread of this graph is small, meaning that there are small differences in the data set and I would not consider any of the costs outliers because of the similarity. The graph is skewed to the right and overall, Net2Phones rates are pretty uniform. I was also a little bit confused about the IQR....
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This note was uploaded on 03/07/2011 for the course STATS 113 taught by Professor Thaler during the Spring '11 term at CUNY Hunter.
- Spring '11