Question

The accompanying data on number of minutes used for cell phone calls in 1 month was generated to be consistent with summary statistics published in a report of a marketing study of San Diego residents (TeleTruth, March 2009):
a. Compute the values of the quartiles and the interquartile range for this data set.
b. Explain why the lower quartile is equal to the minimum value for this data set. Will this be the case for every data set? Explain.


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  • CreatedSeptember 19, 2015
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