Exam 19: Statistical Applications in Quality Management Online
Exam 1: Defining and Collecting Data207 Questions
Exam 2: Organizing and Visualizing Variables213 Questions
Exam 3: Numerical Descriptive Measures167 Questions
Exam 4: Basic Probability171 Questions
Exam 5: Discrete Probability Distributions217 Questions
Exam 6: The Normal Distributions and Other Continuous Distributions189 Questions
Exam 7: Sampling Distributions135 Questions
Exam 8: Confidence Interval Estimation189 Questions
Exam 9: Fundamentals of Hypothesis Testing: One-Sample Tests187 Questions
Exam 10: Two-Sample Tests208 Questions
Exam 11: Analysis of Variance216 Questions
Exam 12: Chi-Square and Nonparametric Tests178 Questions
Exam 13: Simple Linear Regression214 Questions
Exam 14: Introduction to Multiple Regression336 Questions
Exam 15: Multiple Regression Model Building99 Questions
Exam 16: Time-Series Forecasting173 Questions
Exam 17: Business Analytics115 Questions
Exam 18: A Roadmap for Analyzing Data329 Questions
Exam 19: Statistical Applications in Quality Management Online162 Questions
Exam 20: Decision Making Online129 Questions
Exam 21: Understanding Statistics: Descriptive and Inferential Techniques39 Questions
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The SS method establishes ways to eliminate unnecessary housekeeping aspects of a work environment.
(True/False)
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SCENARIO 19-8 Recently, a university switched to a new type of computer-based registration.The registrar is concerned with the amount of time students are spending on the computer registering under the new system.She decides to randomly select 8 students on each of the 12 days of the registration and determine the time each spends on the computer registering.The range, mean, and standard deviation of the times required to register are in the table that follows.
-Referring to Scenario 19-8, an
chart is to be used for the time required to register.The lower control limit for this data set is ________, while the upper control limit is ________.


(Short Answer)
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SCENARIO 19-7 A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.
She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 19-7, an
chart is to be used for the number of blemishes.The lower control limit for this data set is ________, while the upper control limit is ________.


(Short Answer)
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SCENARIO 19-7 A supplier of silicone sheets for producers of computer chips wants to evaluate her manufacturing process.She takes samples of size 5 from each day's output and counts the number of blemishes on each silicone sheet.The results from 20 days of such evaluations are presented below.
She also decides that the upper specification limit is 10 blemishes.
-Referring to Scenario 19-7, an R chart is to be constructed for the number of blemishes. The center line of this R chart is located at __________.

(Short Answer)
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SCENARIO 19-9 The manufacturer of canned food constructed control charts and analyzed several quality characteristics.One characteristic of interest is the weight of the filled cans.The lower specification limit for weight is 2.95 pounds.The table below provides the range and mean of the weights of five cans tested every fifteen minutes during a day's production.
-Referring to Scenario 19-9, based on the R chart, it appears that the process is out of control.

(True/False)
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SCENARIO 19-10 Below is the number of defective items from a production line over twenty consecutive morning shifts.
-Referring to Scenario 19-10, based on the c chart, no opportunity appears to be present to render an improvement in the process.

(True/False)
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Maintaining the gains that have been made with a revised process in the long term by avoiding potential problems that can occur when a process is changed involves which part of the DMAIC process?
(Multiple Choice)
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SCENARIO 19-9 The manufacturer of canned food constructed control charts and analyzed several quality characteristics.One characteristic of interest is the weight of the filled cans.The lower specification limit for weight is 2.95 pounds.The table below provides the range and mean of the weights of five cans tested every fifteen minutes during a day's production.
-Referring to Scenario 19-9, an
chart is to be used for the weight.The lower control limit for this data set is ________, while the upper control limit is ________.


(Short Answer)
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SCENARIO 19-3 A quality control analyst for a light bulb manufacturer is concerned that the time it takes to produce a batch of light bulbs is too erratic.Accordingly, the analyst randomly surveys 10 production periods each day for 14 days and records the sample mean and range for each day.
-Referring to Scenario 19-3, suppose the analyst constructs an R chart to see if the variability in production times is in-control.What is the center line of this R chart?

(Multiple Choice)
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_______ causes of variation are correctable without modifying the system.
(Short Answer)
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Total Productive Maintenance focuses on preventing the causes of defects.
(True/False)
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The focus of Lean Six Sigma is on removing non-value added steps and waste which can exist in any part of an organization.
(True/False)
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SMED establishes ways to clean and maintain the necessary housekeeping aspects of a work environment.
(True/False)
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Quick Changeover Techniques involve methods that enable participants to reduce setup time for equipment and resources and materials needed for changeover.
(True/False)
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SCENARIO 19-3 A quality control analyst for a light bulb manufacturer is concerned that the time it takes to produce a batch of light bulbs is too erratic.Accordingly, the analyst randomly surveys 10 production periods each day for 14 days and records the sample mean and range for each day.
-Referring to Scenario 19-3, suppose the analyst constructs an
chart to see if the production process is in-control.Which expression best describes this chart?


(Multiple Choice)
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The cause of variation that can be reduced only by changing the system is ______ cause variation.
(Short Answer)
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TPM establishes ways to eliminate unnecessary housekeeping aspects of a work environment.
(True/False)
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Quick Changeover Techniques is among the tools of Lean Six Sigma.
(True/False)
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