Exam 11: Quality Improvement Methods

A scatter diagram is used to graph what?

A tool that provides a systematic approach for identifying all possible failures in a design is described by what acronym?

A quality circle is a way of getting feedback from what group?

A Type I error is a false negative.

Identify three sources of quality improvement ideas.

A continuous process cuts pipe into lengths of 79 inches.Five samples of six observations each have been taken,and the results are listed below.Calculate the

Provide three rules for identifying if a process is out of control,in addition to a single point being outside of the control limits.

A machine shop needs the diameter of the castings it purchases between 1.000 inch and 1.060 inches to insure that the surface finish will be acceptable.A large sample of castings found the mean diameter was 1.025 inches with a standard deviation of 0.008 inches.Calculate the process capability index.

A check sheet is a structured,prepared form for collecting and analyzing sampled observations.

The first step in any sampling plan is to

Which of the following is a qualitative technique that provides a systematic method for generating a large number of creative problem solving ideas from many different individuals?

A process capability analysis is focused on statistical variations present within a system.

A customer choice analysis has been an integral part of quality improvement efforts since the beginning of the quality movement.

An interrelationship diagram is used to break down broad categories into finer details.

A less-than-appropriate sample size can lead to a lower probability of the two types of errors commonly associated with any statistical analysis.

Prepare a scatter diagram for the following data.

In a control chart application,a study showed the overall mean of 15 samples consisting of 9 observations per sample as 30.0.The standard deviation of the individual data points was 1.87.The average range was 5.5.Calculate the appropriate control limits.

When one idea branches into two or more subideas,each of which branches into further subideas,the appropriate problem-solving technique is what?

Briefly describe a Pareto analysis.

Repeated samples of 150 ball point pen housings are inspected to determine if the housing is out of round or the printing is readable.If either condition exists,it is nonconforming.The following sample information was collected.