According to an annual consumer spending survey, the average monthly Bank of America Visa credit card charge was $1838 (U.S. Airways Attaché Magazine, December 2003). A sample of monthly credit card charges provides the following data.
a. Compute the mean and median.
b. Compute the first and third quartiles.
c. Compute the range and interquartile range.
d. Compute the variance and standard deviation.
e. The skewness measure for these data is 2.12. Comment on the shape of this distribution.
Is it the shape you would expect? Why or why not?
f. Do the data contain outliers?

  • CreatedSeptember 20, 2015
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