Questions from Total Quality Management

Q: Hermitage DNA Labs, LLC collected temperature readings in an analysis process

Hermitage DNA Labs, LLC collected temperature readings in an analysis process. The data can be found in the C08 Problem Data workbook. a. Compute the mean and range of each sample and calculate contr...

Q: Use the data for Birdseye Magnetrons (Problem 24) and the

Use the data for Birdseye Magnetrons (Problem 24) and the X-bar&R Excel template to determine if the process appears to be in statistical control. Data from problem 24: Birdseye Magnetrons makes indu...

Q: Nighthawk Airlines measured their numbers of lost bags in one month and

Nighthawk Airlines measured their numbers of lost bags in one month and found that they had lost 35 bags for 10,000 customers. If the average number of bags per customer is 1.2, how many errors per mi...

Q: The initial data provided in the Excel workbook C08 Problem Data represent

The initial data provided in the Excel workbook C08 Problem Data represent processing time values for 20 samples of size 4 that were taken from Rapid Check Kiters, Inc., a check processing firm, over...

Q: For each of the control charts in Figure 8.56,

For each of the control charts in Figure 8.56, assume that the process has been operating in statistical control for some time. What conclusions should the operators reach at this point?

Q: Drives has a statistically in-control manufacturing process that is normally

Drives has a statistically in-control manufacturing process that is normally distributed. Sample means and ranges for 15 samples of size 5 can be found in the C08 Problem Data workbook. Determine proc...

Q: Constant Hope Hospital wants to set up x and s control charts

Constant Hope Hospital wants to set up x and s control charts for the time required to perform a critical step in gall bladder surgery. Twenty-five samples of size 4 can be found in the C08 Problem Da...

Q: Fujiyama Electronics wants to construct x- and s-charts for

Fujiyama Electronics wants to construct x- and s-charts for circuit boards that are purchased from an outside supplier. A critical dimension is the distance between two holes on the board that are sup...

Q: El Grande Toro Restaurant advertises that customers will have their orders taken

El Grande Toro Restaurant advertises that customers will have their orders taken within three minutes after being seated. Management wants to monitor these times, as it is such an important guarantee...

Q: Food and Drug Administration (FDA) is the primary regulatory agency

Food and Drug Administration (FDA) is the primary regulatory agency for businesses that operate in food service industries. Product quality and safety are the FDA’s primary concern a...