The Bureau of Labor Statistics publishes information on average annual expenditures by consumers in the Consumer Expenditure Survey. In 2005, the mean amount spent by consumers on nonalcoholic beverages was $303. A random sample of 12 consumers yielded the following data, in dollars, on last year€™s expenditures on nonalcoholic beverages.

a. Use Table III in Appendix A to construct a normal probability plot of the given data.
b. Use part (a) to identify any outliers.
c. Use part (a) to assess the normality of the variable under consideration.

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