Question 1

Regardless of the distribution of the individuals, the distribution of the average of n samples will follow which distribution as n becomes large?

Question 2

An X-bar and R chart with n=5 has been plotted for some time and has demonstrated random variation. Upon review of the last 30 plot points, the expected number of runs around the centerline on the X-bar chart is expected to be approximately which of the following?

Question 3

The design function which assigns probability of failures between components or subsystems is called

Question 4

Which of the following is NOT a method for customer service data collection?

Question 5

A box contains 27 black and 3 red balls. A random sample of 5 balls is drawn without replacement. What is the probability that the sample contains one red ball?

Question 6

The MOST essential value of a surface plate in precision measurement application is which of the following?

Question 7

Which of the following quality system provisions is of the greatest concern when preparing an audit checklist for a vendor qualification system audit?

Question 8

Maintainability is

Question 9

A bin contains 40 pills with a weight of 3.1 gm. each, 30 pills weighing 3.2 gms each and 10 pills weighing 3.3 gms each. The weight of an average pill is found from

Question 10

Given the data below, what is the 90% confidence interval for the variance?

22, 23, 19, 17, 29, 25

Question 11

When trying to find all possible causes of a problem, which of the following tools would be useful?

Ⅰ. Systematic troubleshooting and brainstorming.

Ⅱ. Fishbone diagrams and histograms.

Ⅲ. Checklists and scatter diagrams.

Ⅳ. Control charts and graphs.

Question 12

The use of 100% inspection normally means

Question 13

The existence of a quality control manual at your key supplier means

Question 14

The primary advantage of the Latin square design, compared to the factorial design, is that

Question 15

The difference between setting alpha equal to 0.05 and alpha equal to 0.01 in hypothesis testing is

Question 16

A product failure in the customer's hands is bad for the company. Why do only 4% of the customers normally file a complaint?

Question 17

Writing and establishing process control procedures is

Question 18

The critical value of the t-distribution is

Question 19

When requesting "worst case" design analysis, you expect the reliability group to

Question 20

When used together for variables data, which of the following pair is the MOST useful in preparing control charts?

Question 21

What is the highest form of partnering with employees?

Question 22

As the scatter of points about a regression line becomes less, *r**2* will

Question 23

The steeper the OC-curve, the

Question 24

Measurement gaging is preferable to go, no-go gaging of a quality characteristic because