4. Refer to the Behavioral Research in Accounting (Jan. 2008) study of Machiavellian traits in accountants, a Mach ratin

[answerhappygod]

4 Refer To The Behavioral Research In Accounting Jan 2008 Study Of Machiavellian Traits In Accountants A Mach Ratin 1 (41.69 KiB) Viewed 12 times

4. Refer to the Behavioral Research in Accounting (Jan. 2008) study of Machiavellian traits in accountants, a Mach rating score was determined for each in a random sample of 100 purchasing managers, with the following results: x = 87.6, s = 20.6. Recall that a director of purchasing at a major firm claims that the true mean Mach rating score of all purchasing managers is 85. a) Suppose you want to test the director's claim. Specify the null and alternative hypotheses for the test. b) Give the rejection region for the test using a = 0.10. c) Find the value of the test statistic. d) Use the result, part e, to make the appropriate conclusion.