Question: Problem 8.54 Refer to the weekly 2002 return data for GE listed in Table 1.20. Use a statistical software package to: (a) Draw the graph

Problem 8.54 Refer to the weekly 2002 return data for GE listed in Table 1.20. Use a statistical software package to:

(a) Draw the graph of the Q–Q plot (normal probability plot) of the returns.

(b) Test for normality by computing the Shapiro–Wilk test statistic. State the alternatives, decision rule, and conclusion. Problem 8.55 Refer to the weekly 2002 return data for BEARX listed in Table 1.20. Use a statistical software package to:

(a) Draw the graph of the Q–Q plot (normal probability plot) of the returns.

(b) Test for normality by computing the Shapiro–Wilk test statistic. State the alternatives, decision rule, and conclusion.

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