Exam 18: Statistical Quality Control

Ophelia O'Brien,VP of Consumer Credit of Credit First Banks (CFB),is designing a p chart to monitor the default rate on personal loans at the CFB member banks.Her data includes the proportion in default for 30 samples of personal loans.Each sample contained 50 loans,and the average of the 30 proportions is 0.05.The upper control limit for Ophelia's p chart is ___.

Which of the following quality control chart conditions is an indicator that the process is potentially out-of-control?

Which of the following is not a quality control diagnostic technique?

Higher output wattage means higher quality to some consumers of audio amplifiers.Among Garvin's five quality types,this is an example of ___.

A p chart used for statistical quality control is a chart that shows the probability distribution of defectives in the process output.

Inspecting the attributes of a finished product to determine whether the product is acceptable,is in need of rework,or is to be rejected is called after-process quality control.

Ophelia O'Brien,VP of Consumer Credit of Credit First Banks (CFB),is designing a p chart to monitor the default rate on personal loans at the CFB member banks.Her data includes the proportion in default for 30 samples of personal loans.Each sample contained 50 loans,and the average of the 30 proportions is 0.05.The centerline for Ophelia's p chart is ___.

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.30.The sample sizes were 6 each.What would the upper control limit be?