Question 1

Which of the following is not a type of a control chart?

Accepted Answer

A) a p chart 
B) an x-bar chart 
C) an R chart 
D) All of these are types of control charts. 
A) a p chart 
B) an x-bar chart 
C) an R chart 
D) All of these are types of control charts. D

Question 2

The three quality processes on which Juran's approach to quality focused include all of the following except

Accepted Answer

A) quality planning 
B) quality execution 
C) quality control 
D) quality improvement 
A) quality planning 
B) quality execution 
C) quality control 
D) quality improvement B

Question 3

The maximum number of defective items that can be found in the sample and still lead to acceptance of the lot is

Accepted Answer

A) the upper control limit 
B) the lower control limit 
C) the acceptance criterion 
D) None of the other answers is correct. 
A) the upper control limit 
B) the lower control limit 
C) the acceptance criterion 
D) None of the other answers is correct. C

Question 4

A graph showing the probability of accepting the lot as a function of the percent defective in the lot is

Accepted Answer

A) a power curve 
B) a control chart 
C) an operating characteristic curve 
D) None of the other answers is correct. 
A) a power curve 
B) a control chart 
C) an operating characteristic curve 
D) None of the other answers is correct.

Question 5

The control limits for a p chart are how many standard deviations above and below the proportion defective?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 6

The upper and lower control limits of a process are 66 and 54. Samples of size 16 are used for the inspection process. Determine the mean and the standard deviation for this process.

Accepted Answer

Mean = 60;

Question 7

In contrast to Deming's philosophy, which required a major cultural change in the organization, Juran's programs were designed to improve quality by

Accepted Answer

A) working within the current organizational system 
B) reducing the number of levels in the organizational structure 
C) changing customer perception and expectations 
D) identifying and replacing the most counter-productive employees 
A) working within the current organizational system 
B) reducing the number of levels in the organizational structure 
C) changing customer perception and expectations 
D) identifying and replacing the most counter-productive employees

Question 8

Producer's risk is

Accepted Answer

A) the same as the consumer's risk 
B) a Type II error 
C) a Type I error 
D) None of the other answers is correct. 
A) the same as the consumer's risk 
B) a Type II error 
C) a Type I error 
D) None of the other answers is correct.

Question 9

The two general classifications of attributes in quality control are

Accepted Answer

A) random and predictable 
B) controllable and uncontrollable 
C) variable and constant 
D) defective and nondefective 
A) random and predictable 
B) controllable and uncontrollable 
C) variable and constant 
D) defective and nondefective

Question 10

The sample result plotted on an np control chart is

Accepted Answer

A) np 
B) np 
C) the number of perfect units in the sample 
D) the number of defective units in the sample 
A) np 
B) np 
C) the number of perfect units in the sample 
D) the number of defective units in the sample

Question 11

When a Motorola executive said "That evaluation is …. perhaps the most cost-effective, value-added business consultation available anywhere in the world today" he was referring to

Accepted Answer

A) ISO 9000 standards 
B) the Six Sigma philosophy 
C) Deming's 14 Points 
D) the Malcolm Baldrige Quality Award 
A) ISO 9000 standards 
B) the Six Sigma philosophy 
C) Deming's 14 Points 
D) the Malcolm Baldrige Quality Award

Question 12

The control limits for an x-bar chart are how many standard deviations above and below the process mean?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 13

A U.S. manufacturer of digital video recorders purchases a circuit board from a Taiwanese firm. The circuit boards are shipped in lots of 2000. The acceptance sampling procedure uses 12 randomly selected circuit boards. The acceptance number is 1. If p0 is .03 and p1 is .20, what are the producer's and consumer's risks for this plan?

Accepted Answer

The answer of A U.S. manufacturer of digital video recorders...

Question 14

If the calculated lower-control limit of a p chart is negative,

Accepted Answer

A) a mistake has been made in the calculations 
B) use the absolute value of the lower limit 
C) it is set to zero 
D) None of the other answers is correct. 
A) a mistake has been made in the calculations 
B) use the absolute value of the lower limit 
C) it is set to zero 
D) None of the other answers is correct.

Question 15

When only common cause variation is present in a process,

Accepted Answer

A) no changes or adjustments are necessary 
B) we conclude the process is out of control 
C) human error is the sole source of variation 
D) The source of the variation is easily identified 
A) no changes or adjustments are necessary 
B) we conclude the process is out of control 
C) human error is the sole source of variation 
D) The source of the variation is easily identified

Question 16

Rejecting a poor-quality lot would be a

Accepted Answer

A) Type I error 
B) Type II error 
C) correct decision 
D) None of the other answers is correct. 
A) Type I error 
B) Type II error 
C) correct decision 
D) None of the other answers is correct.

Question 17

The control limits for an np chart are how many standard deviations above and below the expected number of defectives?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 18

DFSS stands for

Accepted Answer

A) Defects Found Sifting and Sorting 
B) Design For Six Sigma 
C) Deviation From Specifications and Standards 
D) Defer For Statistical Study 
A) Defects Found Sifting and Sorting 
B) Design For Six Sigma 
C) Deviation From Specifications and Standards 
D) Defer For Statistical Study

Question 19

The following data represent the filling weights based on samples of 14.5 ounce cans of whole peeled tomatoes. Ten samples of size 5 were taken. Use Excel to develop an x-bar chart.

Accepted Answer

Data Sheet

Question 20

An operating characteristic curve is based on a ________ probability distribution.

Accepted Answer

A) normal 
B) exponential 
C) binomial 
D) uniform 
A) normal 
B) exponential 
C) binomial 
D) uniform

Which of the following is not a type of a control chart?

The three quality processes on which Juran's approach to quality focused include all of the following except

The maximum number of defective items that can be found in the sample and still lead to acceptance of the lot is

A graph showing the probability of accepting the lot as a function of the percent defective in the lot is

The control limits for a p chart are how many standard deviations above and below the proportion defective?

The upper and lower control limits of a process are 66 and 54. Samples of size 16 are used for the inspection process. Determine the mean and the standard deviation for this process.

In contrast to Deming's philosophy, which required a major cultural change in the organization, Juran's programs were designed to improve quality by

Producer's risk is

The two general classifications of attributes in quality control are

The sample result plotted on an np control chart is

When a Motorola executive said "That evaluation is …. perhaps the most cost-effective, value-added business consultation available anywhere in the world today" he was referring to

The control limits for an x-bar chart are how many standard deviations above and below the process mean?

If the calculated lower-control limit of a p chart is negative,

When only common cause variation is present in a process,

Rejecting a poor-quality lot would be a

The control limits for an np chart are how many standard deviations above and below the expected number of defectives?

DFSS stands for

The following data represent the filling weights based on samples of 14.5 ounce cans of whole peeled tomatoes. Ten samples of size 5 were taken. Use Excel to develop an x-bar chart.

An operating characteristic curve is based on a ________ probability distribution.

Data and Statistics

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Sample Survey

Filters

Exam 19: Statistical Methods for Quality Control

Which of the following is not a type of a control chart?

The three quality processes on which Juran's approach to quality focused include all of the following except

The maximum number of defective items that can be found in the sample and still lead to acceptance of the lot is

A graph showing the probability of accepting the lot as a function of the percent defective in the lot is

The control limits for a p chart are how many standard deviations above and below the proportion defective?

The upper and lower control limits of a process are 66 and 54. Samples of size 16 are used for the inspection process. Determine the mean and the standard deviation for this process.

In contrast to Deming's philosophy, which required a major cultural change in the organization, Juran's programs were designed to improve quality by

Producer's risk is

The two general classifications of attributes in quality control are

The sample result plotted on an np control chart is

When a Motorola executive said "That evaluation is …. perhaps the most cost-effective, value-added business consultation available anywhere in the world today" he was referring to

The control limits for an x-bar chart are how many standard deviations above and below the process mean?

If the calculated lower-control limit of a p chart is negative,

When only common cause variation is present in a process,

Rejecting a poor-quality lot would be a

The control limits for an np chart are how many standard deviations above and below the expected number of defectives?

DFSS stands for

The following data represent the filling weights based on samples of 14.5 ounce cans of whole peeled tomatoes. Ten samples of size 5 were taken. Use Excel to develop an x-bar chart.

An operating characteristic curve is based on a ________ probability distribution.

Data and Statistics

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit, Independence and Multiple Proportions

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Sample Survey

Filters