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Question: Use the pennstate2 dataset on the companion website for this exercise. The variable CDs is the approximate number of music CDs owned by a student.
a. Draw a stem-and-leaf plot for the CDs variable.
b. Draw a histogram for the CDs variable.
c. Draw a dotplot for the CDs variable.
d. Describe the shape of the data for the CDs variable, and comment on any other interesting features of the data.
e. Calculate the mean number and the median number of CDs. Compare these two values.
f. For these data, do you think the mean or the median is a better description of the location of the data? Briefly explain.
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Final step to be performed when testing hypothesis of population mean is to?
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