Accounting and Machiavellianism. Refer to the Behavioral Research in Accounting (January 2008) study of Machiavellian traits in accountants, Exercise 1.33 (p. 28). Recall that Machiavellian describes negative character traits that include manipulation, cunning, duplicity, deception, and bad faith. A Machiavellian (“Mach”) rating score was determined for each in a sample of accounting alumni of a large southwestern university. Scores
- a. From the sample, estimate the true mean Mach rating score of all purchasing managers.
- b. Form a 95% confidence interval for the estimate, part b.
- c. Give a practical interpretation of the interval, part c.
- d. A director of purchasing at a major firm claims that the true mean Mach rating score of all purchasing managers is 85. Is there evidence to dispute this claim?
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