Question 1

A company that uses benchmarking as a quality improvement practice will ________.

Accepted Answer

A) emulate the best practices and techniques used in their industry 
B) institutionalize the not-invented-here philosophy 
C) not analyze the competition's product 
D) rely exclusively on government research for product improvements 
E) be in the furniture business 
A) emulate the best practices and techniques used in their industry 
B) institutionalize the not-invented-here philosophy 
C) not analyze the competition's product 
D) rely exclusively on government research for product improvements 
E) be in the furniture business

Question 2

Jack Joyner, Director of Quality Control at Covington Castings (CC), is designing a c chart to monitor the number of nonconformances per aluminum casting produced at CC.The total number of nonconformances for 26 castings is 91.The lower control limit for Jack's c chart is ___________.

Accepted Answer

A) 1.37 
B) -2.11 
C) 3.50 
D) -1.00 
E) 0.00 
A) 1.37 
B) -2.11 
C) 3.50 
D) -1.00 
E) 0.00

Question 3

If a manufacturer is looking to determine the causes of declining productivity, the company might first complete a ___________ to identify potential causes, and then create a ______________ to find which causes are most common.

Accepted Answer

A) scatter plot; histogram 
B) Pareto chart; histogram 
C) cause-and-effect diagram; Pareto chart 
D) Pareto chart; cause-and-effect diagram 
E) histogram; Pareto chart 
A) scatter plot; histogram 
B) Pareto chart; histogram 
C) cause-and-effect diagram; Pareto chart 
D) Pareto chart; cause-and-effect diagram 
E) histogram; Pareto chart

Question 4

A fishbone diagram is a ______.

Accepted Answer

A) quantitative tallying of the numbers and types of defects 
B) schematic representation of all the activities and interactions that occur in a process 
C) cause-and-effect diagram 
D) graphical method for evaluating whether a process is or is not in a state of statistical control 
E) type of checklist 
A) quantitative tallying of the numbers and types of defects 
B) schematic representation of all the activities and interactions that occur in a process 
C) cause-and-effect diagram 
D) graphical method for evaluating whether a process is or is not in a state of statistical control 
E) type of checklist

Question 5

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.45.The sample sizes were 9 each.What would the lower control limit be?

Accepted Answer

A) 0.8172 
B) 0.6012 
C) 0.0828 
D) 0.1566 
E) 0.7434 
A) 0.8172 
B) 0.6012 
C) 0.0828 
D) 0.1566 
E) 0.7434

Question 6

Sarah Soliz, Director of Quality Programs, is designing $\bar { x }$ and R charts for the rod shearing process at Stockton Steel.She has 26 samples of rod length, and each sample included measurements of 5 rods.The mean of the 26 sample means is 112 inches, and mean of the 26 ranges is 0.15 inch.The lower control limit for her R chart is ____.

Accepted Answer

A) 0.150 
B) 0.000 
C) 0.317 
D) 2.114 
E) 1.000 
A) 0.150 
B) 0.000 
C) 0.317 
D) 2.114 
E) 1.000

Question 7

Which of the following quality control chart conditions is an indicator that the process is, potentially, out-of-control?

Accepted Answer

A) several consecutive data points between the UCL and the LCL 
B) a data point above the LCL 
C) a data point below the UCL 
D) an upward trend of nine data points 
E) a data point in the outer 1/3 region 
A) several consecutive data points between the UCL and the LCL 
B) a data point above the LCL 
C) a data point below the UCL 
D) an upward trend of nine data points 
E) a data point in the outer 1/3 region

Question 8

Reengineering is ___________________________.

Accepted Answer

A) a fine-tuning of the present process 
B) downsizing of a company 
C) another name for Deming's 14 points 
D) the complete redesign of core business processes 
E) incremental improvement of a core process 
A) a fine-tuning of the present process 
B) downsizing of a company 
C) another name for Deming's 14 points 
D) the complete redesign of core business processes 
E) incremental improvement of a core process

Question 9

Jake Flanaghan, Vice President for the inpatient pharmacy at Great Atlantic Medical Center, is designing a c chart to monitor the number of inpatient medication errors that occur each month.The total number of medication errors for January - December last year was 37.The lower control limit for Jake's c chart is ___________.

Accepted Answer

A) 3.08 
B) 37 
C) 8.35 
D) -2.18 
E) 0.00 
A) 3.08 
B) 37 
C) 8.35 
D) -2.18 
E) 0.00

Question 10

A p chart is to be developed for use in quality control.The value of p is calculated to be 0.54.The sample size is 249.What would the lower control limit be?

Accepted Answer

A) 0.5941 
B) -0.6348 
C) 0.4452 
D) -0.5460 
E) 0.5340 
A) 0.5941 
B) -0.6348 
C) 0.4452 
D) -0.5460 
E) 0.5340

Question 11

Ophelia O'Brien, VP of Consumer Credit of American First Banks (AFB), is designing a p chart to monitor the default rate on personal loans at the AFB member banks.Her data include the proportion in default for 30 samples of personal loans.Each sample contains 50 loans, and the average of the 30 proportions is 0.05.The upper control limit for Ophelia's p chart is _____________.

Accepted Answer

A) 0.0925 
B) 0.0500 
C) 0.0308 
D) 0.1825 
E) 0.1425 
A) 0.0925 
B) 0.0500 
C) 0.0308 
D) 0.1825 
E) 0.1425

Question 12

Sarah Soliz, Director of Quality Programs, is designing $\bar { x }$ and R charts for the rod shearing process at Stockton Steel.She has 26 samples of rod length, and each sample included measurements of 5 rods.The mean of the 26 sample means is 112 inches, and mean of the 26 ranges is 0.15 inch.The centerline for her $\bar { x }$ chart is _________.

Accepted Answer

A) 5 
B) 26 
C) 0.15 
D) 11.2 
E) 112 
A) 5 
B) 26 
C) 0.15 
D) 11.2 
E) 112

Question 13

Which of the following quality control chart conditions is an indicator that the process is potentially out-of-control?

Accepted Answer

A) several consecutive data points between the UCL and the LCL 
B) a data point below the LCL 
C) a data point below the UCL 
D) a data point in the outer 1/3 region 
E) a data point on the center line 
A) several consecutive data points between the UCL and the LCL 
B) a data point below the LCL 
C) a data point below the UCL 
D) a data point in the outer 1/3 region 
E) a data point on the center line

Question 14

An advantage of a just-in-time inventory system is _________.

Accepted Answer

A) fewer managerial controls on inventory 
B) lower inventory holding costs 
C) larger shipment and production lots 
D) fewer orders per operational year 
E) more inspection and handling of materials 
A) fewer managerial controls on inventory 
B) lower inventory holding costs 
C) larger shipment and production lots 
D) fewer orders per operational year 
E) more inspection and handling of materials

Question 15

A graph that plots the number of nonconformances per item for multiple samples is called a(n)_______.

Accepted Answer

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

Question 16

The main difference between a histogram and a Pareto chart is the ____________.

Accepted Answer

A) values on the y axis 
B) order of categories on the x axis 
C) colors used to distinguish differences 
D) type of data that can be used to create each graph 
E) direction of the bars, either vertical or horizontal 
A) values on the y axis 
B) order of categories on the x axis 
C) colors used to distinguish differences 
D) type of data that can be used to create each graph 
E) direction of the bars, either vertical or horizontal

Question 17

For a p chart, UCL = 0.64 and LCL = 0.32.The standard deviation of the proportions is ______.

Accepted Answer

A) There is not enough information to determine the standard deviation of the proportions 
B) 0.32 
C) 0.16 
D) 0.14 
E) 0.05 
A) There is not enough information to determine the standard deviation of the proportions 
B) 0.32 
C) 0.16 
D) 0.14 
E) 0.05

Question 18

A graph that displays computed means for a series of small random samples over a period of time is called a(n)_______.

Accepted Answer

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

Question 19

Sarah Soliz, Director of Quality Programs, is designing $\bar { x }$ and R charts for the rod shearing process at Stockton Steel.She has 26 samples of rod length, and each sample included measurements of 5 rods.The mean of the 26 sample means is 112 inches, and mean of the 26 ranges is 0.15 inch.The upper control limit for her $\bar { x }$ chart is ________.

Accepted Answer

A) 112.09 
B) 5.087 
C) 26.087 
D) 115.90 
E) 110.09 
A) 112.09 
B) 5.087 
C) 26.087 
D) 115.90 
E) 110.09

Question 20

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.60.This was based on several samples of size 7 each.What would the lower control limit be?

Accepted Answer

A) 0.046 
B) 0.000 
C) 1.154 
D) 4.200 
E) 0.004 
A) 0.046 
B) 0.000 
C) 1.154 
D) 4.200 
E) 0.004

A company that uses benchmarking as a quality improvement practice will ________.

Jack Joyner, Director of Quality Control at Covington Castings (CC), is designing a c chart to monitor the number of nonconformances per aluminum casting produced at CC.The total number of nonconformances for 26 castings is 91.The lower control limit for Jack's c chart is ___________.

If a manufacturer is looking to determine the causes of declining productivity, the company might first complete a _ to identify potential causes, and then create a ____ to find which causes are most common.

A fishbone diagram is a ______.

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.45.The sample sizes were 9 each.What would the lower control limit be?

Which of the following quality control chart conditions is an indicator that the process is, potentially, out-of-control?

Reengineering is ___________________________.

A p chart is to be developed for use in quality control.The value of p is calculated to be 0.54.The sample size is 249.What would the lower control limit be?

Which of the following quality control chart conditions is an indicator that the process is potentially out-of-control?

An advantage of a just-in-time inventory system is _________.

A graph that plots the number of nonconformances per item for multiple samples is called a(n)_______.

The main difference between a histogram and a Pareto chart is the ____________.

For a p chart, UCL = 0.64 and LCL = 0.32.The standard deviation of the proportions is ______.

A graph that displays computed means for a series of small random samples over a period of time is called a(n)_______.

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.60.This was based on several samples of size 7 each.What would the lower control limit be?

Introduction to Statistics and Business Analytics

Visualizing Data With Charts and Graphs

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Analysis of Variance and Design of Experiments

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Nonparametric Statistics

Decision Analysis

Filters

Exam 18: Statistical Quality Control

A company that uses benchmarking as a quality improvement practice will ________.

Jack Joyner, Director of Quality Control at Covington Castings (CC), is designing a c chart to monitor the number of nonconformances per aluminum casting produced at CC.The total number of nonconformances for 26 castings is 91.The lower control limit for Jack's c chart is ___________.

If a manufacturer is looking to determine the causes of declining productivity, the company might first complete a ___________ to identify potential causes, and then create a ______________ to find which causes are most common.

A fishbone diagram is a ______.

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.45.The sample sizes were 9 each.What would the lower control limit be?

Which of the following quality control chart conditions is an indicator that the process is, potentially, out-of-control?

Reengineering is ___________________________.

A p chart is to be developed for use in quality control.The value of p is calculated to be 0.54.The sample size is 249.What would the lower control limit be?

Which of the following quality control chart conditions is an indicator that the process is potentially out-of-control?

An advantage of a just-in-time inventory system is _________.

A graph that plots the number of nonconformances per item for multiple samples is called a(n)_______.

The main difference between a histogram and a Pareto chart is the ____________.

For a p chart, UCL = 0.64 and LCL = 0.32.The standard deviation of the proportions is ______.

A graph that displays computed means for a series of small random samples over a period of time is called a(n)_______.

An R Chart is to be developed for use in quality control.The average of the ranges is calculated to be 0.60.This was based on several samples of size 7 each.What would the lower control limit be?

Introduction to Statistics and Business Analytics

Visualizing Data With Charts and Graphs

Descriptive Statistics

Probability

Discrete Distributions

Continuous Distributions

Sampling and Sampling Distributions

Statistical Inference: Estimation for Single Populations

Statistical Inference: Hypothesis Testing for Single Populations

Statistical Inferences About Two Populations

Analysis of Variance and Design of Experiments

Simple Regression Analysis and Correlation

Multiple Regression Analysis

Building Multiple Regression Models

Time-Series Forecasting and Index Numbers

Analysis of Categorical Data

Nonparametric Statistics

Decision Analysis

Filters

If a manufacturer is looking to determine the causes of declining productivity, the company might first complete a _ to identify potential causes, and then create a ____ to find which causes are most common.