Questions and Answers of Introduction Statistical Quality

Consider the following incomplete ANOVA table: a. Complete the ANOVA calculations. b. Provide an interpretation of this experiment. c. The pure error estimate of the standard deviation of the
An interaction effect in the model from a factorial experiment involving quantitative factors is a way of incorporating curvature into the response surface model representation of the
Adding center runs to a 2k design affects the estimate of the intercept term but not the estimates of any other factor effects.True False
Suppose that four of the parts produced by the process in Exercise 8.38 are assembled into a product that has upper and lower specifications at 795 and 805 units, respectively. What is the ppm
Suppose that three of the parts produced by the process in Exercise 8.39 are assembled into a product that has upper and lower specifications at 624 and 630 units, respectively. What is the ppm
If an interaction effect in a factorial experiment is significant, the main effects of the factors involved in that interaction are difficult to interpret individually.True False
In an unreplicated design, the number of degrees of freedom associated with the “pure error” component of error are zero.True False
In a replicated 23 design (16 runs), the estimate of the model intercept is equal to one-half of the total of all 16 runs.True False
The coordinates of the points on the path of steepest ascent are proportional to the effect estimates from the first-order model.True False
For a first-order model with three variables, the variance of the predicted response at the design center (in coded units) is σ/2, if an unreplicated 23 design is used to collect the experimental
The method of steepest ascent is a gradient procedure.True False
What role does risk play in project selection and the Define step of DMAIC?
What would motivate a business to compete for the Malcolm Baldrige National Quality Award?
Who was Walter A. Shewhart?