# Question

Consider the sample of 12 incomes given in Example 3.2 (page 103).

a. Sort the income data from smallest to largest, and compute i (n 1) for each observation.

b. Compute the standardized normal quantile value O i for each observation.

c. Graph the normal probability plot for the salary data and interpret this plot. Does the plot indicate that the data are skewed?

a. Sort the income data from smallest to largest, and compute i (n 1) for each observation.

b. Compute the standardized normal quantile value O i for each observation.

c. Graph the normal probability plot for the salary data and interpret this plot. Does the plot indicate that the data are skewed?

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