Questions from Total Quality Management

Q: Three training programs are being considered for auditors in an accounting firm

Three training programs are being considered for auditors in an accounting firm. The success of the training programs is measured on a rating scale from 0 to 100, with higher values indicating a desir...

Q: A doctor is contemplating four types of diet to reduce the blood

A doctor is contemplating four types of diet to reduce the blood sugar levels of patients. Because of differences in the metabolism of patients, the doctor categorizes the patients into five age group...

Q: A consulting firm wishes to evaluate the performance of four software packages

A consulting firm wishes to evaluate the performance of four software packages (A, B, C, and D) as measured by the computational time. The experimenter wishes to control for two variables: the problem...

Q: Two controllable factors, temperature and pressure, are each kept at

Two controllable factors, temperature and pressure, are each kept at three levels to determine their impact on the ductility of an alloy being produced. The temperature levels are 150, 250, and 300 &A...

Q: Consider Example 12-4 concerning the efficiency of synthetic fuel for

Consider Example 12-4 concerning the efficiency of synthetic fuel for which the factors are an additive and a catalyst. The original data are given in Table 12-19. The experiment is conducted using on...

Q: Refer to Exercise 12-17. (a) Is

Refer to Exercise 12-17. (a) Is there a difference between the mean degree of lateness of company 3 and that of the averages of companies 1 and 2? Test at the 5% level of significance. (b) Find a 90%...

Q: Refer to Exercise 12-18. (a) Is

Refer to Exercise 12-18. (a) Is there a difference in the mean number of passengers bumped using software packages 1 and 2 from that using software packages 3 and 4? Test at the 10% level of significa...

Q: Refer to Exercise 12-19. Find a 90% confidence

Refer to Exercise 12-19. Find a 90% confidence interval for the difference in the mean effectiveness of program 1 and the average of that using programs 2 and 3. Data from Exercise 12-19: Three train...

Q: Refer to Exercise 12-19. Consider the following two contrasts

Refer to Exercise 12-19. Consider the following two contrasts of totals: (1) difference between the totals for training programs 1 and 3; (2) difference between the totals for the sum of training prog...

Q: Explain some specific parametric tests that require the distributional assumption of normality

Explain some specific parametric tests that require the distributional assumption of normality. What do you do if the assumption is not satisfied?