Question 1

The ________ is a process chart used to monitor the average of the characteristic being measured.

Accepted Answer

A)   $ \bar{x} $ chart 
B)  R chart 
C)  c chart 
D)  p chart 
E)  MR chart 
A)   $ \bar{x} $ chart 
B)  R chart 
C)  c chart 
D)  p chart 
E)  MR chart

Question 2

What are the steps used in developing process control charts?

Accepted Answer

Statistical process control charts (also

Question 3

Control chart limits should be updated only when there is a change to the process.

Accepted Answer

A) True 
 B)False

Question 4

In the study of quality, Type I error is called consumer's risk.

Accepted Answer

A) True 
 B)False

Question 5

The ________ uses past information to predict what the next process outcome will be.

Accepted Answer

A)  np chart 
B)  u chart 
C)  moving average chart 
D)  cusum chart 
E)  p chart 
A)  np chart 
B)  u chart 
C)  moving average chart 
D)  cusum chart 
E)  p chart

Question 6

A(n) ________ is a continuous measurement such as weight, height, or volume.

Accepted Answer

A)  variable 
B)  attribute 
C)  paradigm 
D)  criterion 
E)  element 
A)  variable 
B)  attribute 
C)  paradigm 
D)  criterion 
E)  element

Question 7

Nonrandom variation results in a process that is not repeatable.

Accepted Answer

A) True 
 B)False

Question 8

Statistical thinking is based on the concept that understanding variation and increasing variation are important keys to success.

Accepted Answer

A) True 
 B)False

Question 9

Statistical tools are deemed to fail because people have a poor understanding of the scientific method.

Accepted Answer

A) True 
 B)False

Question 10

A 50 volt battery must be between 55 and 45 volts when it leaves the factory. Two hundred samples of batteries have yielded the following data: average charge of 49 volts with a standard deviation of 2.5 volts. What is the probability of producing an out-of-spec battery?

Accepted Answer

A)  0.06 
B)  0.80 
C)  0.53 
D)  0.12 
E)  0.32 
A)  0.06 
B)  0.80 
C)  0.53 
D)  0.12 
E)  0.32

Question 11

Use the following table to answer the question(s) below.
  
-Close tolerances are required in the manufacturing section of an automotive parts business. Since the customers demand quality, the owner wants to monitor the operation closely using statistical process control. After taking 8 samples of size 4, the owner records the data in the table above. What are the lower and upper limits for a chart that will monitor process dispersion?

Accepted Answer

A)  (0.00, 1.85) 
B)  (0.00, 2.11) 
C)  (0.00, 2.28) 
D)  (0.00, 1.03) 
E)  (0.00, 1.45) 
A)  (0.00, 1.85) 
B)  (0.00, 2.11) 
C)  (0.00, 2.28) 
D)  (0.00, 1.03) 
E)  (0.00, 1.45)

Question 12

World-class levels of process capability are measured by parts per million defect levels.

Accepted Answer

A) True 
 B)False

Question 13

________ is the probability that a nonconforming product will be available for sale.

Accepted Answer

A)  Producer's risk 
B)  Consumer's risk 
C)  Retailer's risk 
D)  Management's risk 
E)  Manufacturer's risk 
A)  Producer's risk 
B)  Consumer's risk 
C)  Retailer's risk 
D)  Management's risk 
E)  Manufacturer's risk

Question 14

The diameter of a mason jar is 3 inches but can be as large as 3.03 inches and as small as 2.97 inches. Twenty-five samples of mason jars are taken and it is discovered that these components have a grand mean of 3.01 inches and a standard deviation of 0.02 inches. What is the probability of producing a bad product?

Accepted Answer

A)  0.60 
B)  0.18 
C)  0.32 
D)  0.45 
E)  0.84 
A)  0.60 
B)  0.18 
C)  0.32 
D)  0.45 
E)  0.84

Question 15

In a variables control chart, which of the following is likely to occur if five points are in succession, either all above or below the center line?

Accepted Answer

A)  erratic behavior 
B)  nonrandom event 
C)  process drift 
D)  natural variation 
E)  process run 
A)  erratic behavior 
B)  nonrandom event 
C)  process drift 
D)  natural variation 
E)  process run

Question 16

The central limit theorem states that when we plot the sample means, the sampling distribution approximates a normal distribution.

Accepted Answer

A) True 
 B)False

Question 17

In a variables control chart, five points in succession are called a process run.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is not one of the alternative names for one hundred percent samples?

Accepted Answer

A)  screening samples 
B)  sorting samples 
C)  rectifying samples 
D)  detailing samples 
E)  stabilizing samples 
A)  screening samples 
B)  sorting samples 
C)  rectifying samples 
D)  detailing samples 
E)  stabilizing samples

Question 19

The upper and lower specifications for metal head plates are 5   0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

Accepted Answer

A)  0.01 
B)  0.02 
C)  0.03 
D)  0.04 
E)  0.05 
A)  0.01 
B)  0.02 
C)  0.03 
D)  0.04 
E)  0.05

Question 20

A(n) ________ is used when data are hypergeometrically distributed.

Accepted Answer

A)  p chart 
B)  u chart 
C)  c chart 
D)  h chart 
E)  g chart 
A)  p chart 
B)  u chart 
C)  c chart 
D)  h chart 
E)  g chart

The ________ is a process chart used to monitor the average of the characteristic being measured.

What are the steps used in developing process control charts?

Control chart limits should be updated only when there is a change to the process.

In the study of quality, Type I error is called consumer's risk.

The ________ uses past information to predict what the next process outcome will be.

A(n) ________ is a continuous measurement such as weight, height, or volume.

Nonrandom variation results in a process that is not repeatable.

Statistical thinking is based on the concept that understanding variation and increasing variation are important keys to success.

Statistical tools are deemed to fail because people have a poor understanding of the scientific method.

A 50 volt battery must be between 55 and 45 volts when it leaves the factory. Two hundred samples of batteries have yielded the following data: average charge of 49 volts with a standard deviation of 2.5 volts. What is the probability of producing an out-of-spec battery?

World-class levels of process capability are measured by parts per million defect levels.

________ is the probability that a nonconforming product will be available for sale.

In a variables control chart, which of the following is likely to occur if five points are in succession, either all above or below the center line?

The central limit theorem states that when we plot the sample means, the sampling distribution approximates a normal distribution.

In a variables control chart, five points in succession are called a process run.

Which of the following is not one of the alternative names for one hundred percent samples?

The upper and lower specifications for metal head plates are 5 0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

A(n) ________ is used when data are hypergeometrically distributed.

Differing Perspectives on Quality

Quality Theory

Global Supply Chain Quality and International Quality Standards

Strategic Quality Planning

The Voice of the Customer

The Voice of the Market

Quality and Innovation in Product and Process Design

Designing Quality Services

Managing Supplier Quality in the Supply Chain

The Tools of Quality

Statistically Based Quality Improvement for Attributes

Six Sigma Management and Lean Tools

Managing Quality Improvement Teams and Projects

Implementing and Validating the Quality System

Filters

Exam 11: Statistically Based Quality Improvement for Variables

The ________ is a process chart used to monitor the average of the characteristic being measured.

What are the steps used in developing process control charts?

Control chart limits should be updated only when there is a change to the process.

In the study of quality, Type I error is called consumer's risk.

The ________ uses past information to predict what the next process outcome will be.

A(n) ________ is a continuous measurement such as weight, height, or volume.

Nonrandom variation results in a process that is not repeatable.

Statistical thinking is based on the concept that understanding variation and increasing variation are important keys to success.

Statistical tools are deemed to fail because people have a poor understanding of the scientific method.

A 50 volt battery must be between 55 and 45 volts when it leaves the factory. Two hundred samples of batteries have yielded the following data: average charge of 49 volts with a standard deviation of 2.5 volts. What is the probability of producing an out-of-spec battery?

World-class levels of process capability are measured by parts per million defect levels.

________ is the probability that a nonconforming product will be available for sale.

In a variables control chart, which of the following is likely to occur if five points are in succession, either all above or below the center line?

The central limit theorem states that when we plot the sample means, the sampling distribution approximates a normal distribution.

In a variables control chart, five points in succession are called a process run.

Which of the following is not one of the alternative names for one hundred percent samples?

The upper and lower specifications for metal head plates are 5 0.1 cm. A sample of the metal head plates in 25 undergraduates yields a mean of 5.05. What is the population standard deviation if the population capability index is 1.666?

A(n) ________ is used when data are hypergeometrically distributed.

Differing Perspectives on Quality

Quality Theory

Global Supply Chain Quality and International Quality Standards

Strategic Quality Planning

The Voice of the Customer

The Voice of the Market

Quality and Innovation in Product and Process Design

Designing Quality Services

Managing Supplier Quality in the Supply Chain

The Tools of Quality

Statistically Based Quality Improvement for Attributes

Six Sigma Management and Lean Tools

Managing Quality Improvement Teams and Projects

Implementing and Validating the Quality System

Filters