Take Quiz Exit Researchers in the Behavioral Research in Accounting Journal study Machiavellian traits in accountants. A Mach rating score was determined for each in a random sample of 28 purchasing managers, with the following results: sample mean is 88.1, sample std is 10.3. A director of purchasing at a major firm claims that the true mean Mach rating score of all purchasing managers is 85. Test if the population mean is significantly higher than the director's claim. Test at a=.08. Use the p-value to draw the conclusion. ( 0.12 > 0.08, do not reject Ho. Population mean is not significantly higher O 0.06 a, do not reject the null hypothesis 0 pvalue equals 09302 > o, reject the null hypothesis 0 p-value > a, reject the null hypothesis 0 pvalue equals 00698 > o, reject the Exit Take Quiz Exit Pond's AgeDefying Complex, a cream with alpha hydroxy acid, adver'dsed that it could reduce wrinkles and improve the skin. The company claims that the cream improved the skin of 70% of middleaged women. We study 67 middleaged women using a cream with alpha hydroxy acid for 22 weeks. The results for the 67 women (where l = improved skin and N = no improvement) are: number of l is 46, and number of N is 21. If you want to refute the claim and show that it is less than 70%. As a default, if the level of signicance is not stated, always use d=.10. What is the alternah've hypothesis for this test? 0 Ha: u07 Take Quiz Exit Pond's AgeDefying Complex, a cream with alpha hydroxy acid, adver'dsed that it could reduce wrinkles and improve the skin. The company claims that the cream improved the skin of 70% of middleaged women. We study 67 middleaged women using a cream with alpha hydroxy acid for 22 weeks. The results for the 67 women (where l = improved skin and N = no improvement) are: number of l is 46, and number of N is 21. If you want to refute the claim and show that it is less than 70%. As a default, if the level of signicance is not stated, always use d=.10. What is the test stah'stic? O 0.24 O 0.24 O 1.49 Take Quiz Exit middleaged women using a cream with alpha hvdroxv acid for 22 weeks. The results for the 67 women (where l = improved skin and N = no improvement) are: number of l is 46, and number of N is 21. If you want to refute the claim and show that it is less than 70%. As a default, if the level of signicance is not stated, always use d=.10. What is the test stah'stic? O 0.24 O -0.24 O 1.49 O 0.48 * Previous Next F Take Quiz Researchers in the Behavioral Research in Accounting Journal study Machiavellian traits in accountants. A Mach ra'dng score was determined for each in a random sample of 28 purchasing managers, with the following results: sample mean is 88.1, sample std is 10.3. A director of purchasing at a major rm claims that the true mean Mach ra'dng score of all purchasing managers is 85. Test it the popula'don mean is signicantly higher than the director's claim. Test at o=.08. What is the critical value? 0 1.445 O 1.593 O 0 None of the answers is correct. Exit Take Quiz Exit is 10.3. A director of purchasing at a major firm claims that the true mean Mach rating score of all purchasing managers is 85. Test if the population mean is significantly higher than the director's claim. Test at a=.08. Use the p-value to draw the conclusion. 0.12 > 0.08, do not reject Ho. Population mean is not significantly higher O 0.06 0.08, reject Ho. Population mean is significantly higher 0.06