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Accounting and Machiavellianism. Refer to the Behavioral Research in Accounting (January 2008) study of Machiavellian traits in accountants, Exercise 1.6 (p. 4). 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 range from a low of 40 to a high of 160, with the theoretical neutral Mach rating score of 100. The 122 purchasing managers in the sample had a mean Mach rating score of 99.6, with a standard deviation of 12.6.
(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?
Just brainstorming out loud here, but tell us more about potential drivers of success... In other words, in a perfect world, how would placement take place?
Pierre would like to carry overnight an amount of money such that the demand on 85% of the nights will not exceed this amount. Can you help Pierre find the required amount of dollars to carry?
The correlation between the returns on Ceramics Craftsman, Inc., and the returns on the S&P 500 is 0.675. The variance of the returns on Ceramics Craftsman, Inc., is 0.004225, and the variance of the returns on the S&P 500 is 0.001467.
Describe a 5-step hypothesis test for two variances for a particular claim related to your work or life environment. You need to state the claim,
the time t between emissions radioactive emissions has an eponential distribution with a mean of 4 seconds between
In stepwise regression, why might a predictor variable that correlates highly with the criterion variable not enter into the regression equation?
a telemarketing company has a special letter opening machine that opens and removes the contents of an envelope. if the
The National Center for Health Statistics indicate that 29.9% of a sample of men and 0.5% of a sample of women are 6" or taller. Are these results generally consistent with your calculations?
to determine the health benefits of walking researchers conduct a study in which they compare the cholesterol levels of
If alternate hypothesis mention that m doesn't equal 4,000, determine the rejection region for the hypothesis test?
he next 20%, a B; the next 40%, a C; the next 21%, a D; and the bottom 10%, an F. What average must you exceed to receive a grade of C or better?
A recent census of a small town in Michigan showed that 60% of the residents are male, 20% have college degrees, and 15% are both male and college graduates.
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