The manager for the Jiffy Lube in Saratoga, Florida, has collected data on the number of customers who agreed to purchase an air filter when they were also having their oil changed. The sample data are shown as follows:

a. Compute the mean, median, and mode for these data.
b. Indicate whether the data are skewed or symmetrical.
c. Construct a box and whisker plot for these data. Referring to your answer in part b, does the box plot support your conclusion about skewness? Discuss.

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