Questions from Total Quality Management

Q: Refer to Exercise 12-20. Consider the following three contrasts

Refer to Exercise 12-20. Consider the following three contrasts: (1) difference between the sum of the reduction in blood sugar levels using diet types 1 and 3 from that using diet types 2 and 4; (2)...

Q: Write out the treatment combinations for a 2^4 factorial experiment

Write out the treatment combinations for a 2^4 factorial experiment.

Q: In the search for a lower-pollution synthetic fuel, researchers

In the search for a lower-pollution synthetic fuel, researchers are experimenting with three different factors, each controlled at two levels, for the processing of such a fuel. Factor A is the concen...

Q: Consider a 2^4 factorial experiment. Set up a table

Consider a 2^4 factorial experiment. Set up a table of the coefficients for orthogonal contrasts similar to Table 12-25. Write down the contrasts for estimating the main effects and the two-factor int...

Q: In Exercise 12-31, use AB as the confounding factor

In Exercise 12-31, use AB as the confounding factor to divide the experiment into two blocks. How would you estimate the effect of factor A? Data from Exercise 12-31: Consider a 2^4 factorial experim...

Q: Consider a 2^4 factorial experiment. Using BC as the

Consider a 2^4 factorial experiment. Using BC as the defining contrast, find the treatment combinations in a 2^4–1 fractional factorial experiment. Find the aliases of the contrasts. How would it be p...

Q: In a 2^5-2 fractional factorial experiment, using

In a 2^5-2 fractional factorial experiment, using CDE and AB as the generators, find the treatment combinations. Find the aliases of the contrasts.

Q: Refer to Exercise 12-30. Factor A is the concentration

Refer to Exercise 12-30. Factor A is the concentration of corn extract, factor B is the concentration of an ethylene-based compound, and factor C is the distillation temperature. Each factor will be c...

Q: A manufacturer of magnetic tapes is interested in reducing the variability of

A manufacturer of magnetic tapes is interested in reducing the variability of the thickness of the coating on the tape. It is estimated that the loss to the consumer is $10 per reel if the thickness e...

Q: Refer to Exercise 12-36. The manufacturer is considering adopting

Refer to Exercise 12-36. The manufacturer is considering adopting a new process to reduce the variability in the thickness of coating. It is estimated that the additional cost for this improvement is...