Exam 19: Statistical Process Control

Morgan has calculated the upper and lower limit for control limits in an chart.She doesn't have the software available to create these charts automatically,so she is wondering what happens to these limits if n decreases.Explain what happens to the limits and why.

Quality movement and the statistical tools for quality improvement are helpful in

"Tampering" can actually make a system worse.

Michael has incorporated a vigorous cross-training program within his department.This is an example of which of Deming's 14 points?

Mohammed is monitoring the diameter of bolts being produced on one of his assigned production lines.During this process,he notices one,single measurement that jumped above the upper control limit.He immediately adjusts the alignment on several machines to address the problem.Mohammed has likely

The chart plots the averages of small subsamples through time.

In the past,quality was often synonymous with surveying.

Jean is examining variation on a control chart.One of the machines was misaligned and is operated by an inexperienced worker.The variation caused by these factors is caused by _____ causes.

A p chart plots the proportions of items that are conforming.

One of the areas where statistics has had the largest impact in the business world is the area of quality.

Deming said we should eliminate the need for mass inspection as a way to achieve quality by building quality into the product in the first place.

The average run length (ARL)indicates the mean length of time between

Jada has decided to implement weekly meetings between departments to discuss issues that occur cross-department.She also has implemented a worker morale program aimed at building teamwork.These are both events that even the most upper management will attend.Which of Deming's 14 Points is Jada addressing?

Out-of-control indicators may include a number of conditions.What is not one of these?

One of the areas where statistics has had the largest impact in the business world is the area of quality.

The two basic types of control charts are control charts for factors and control charts for treatments.

Which of the following is not one of Deming's 14 Points?

Which of the following are attributes charts?

Mohammed is monitoring the diameter of bolts that are being produced on one of his assigned production lines.During this process,he notices nine,consecutive measurements that jumped above the upper control limit.He immediately examines the machine,finds it to be misaligned,and makes a small adjustment.Mohammed has likely committed

The control limits for an R chart are set at