Question 1

For the problems which follow,match the following.
-Column 1:   -chart
Column 2: Average of variables

Accepted Answer

Average of variables

Question 2

A(n)________ chart is appropriate to monitor the percent of mortalities due to heart problems.

Accepted Answer

p-

Question 3

Table 15-1  
-Refer to Table 15-1.The Pristine Paint Company produces paint in gallon cans.They have found that in more than 10 samples of 8 cans each,the average gallon can contains 1.1 gallons of paint.The average range found over these samples is 0.15 gallons.What is the upper control limit for the sample averages in this process?

Accepted Answer

A) 1.100 
B) 1.150 
C) 1.268 
D) 1.156 
E) None of the above 
A) 1.100 
B) 1.150 
C) 1.268 
D) 1.156 
E) None of the above D

Question 4

Match the following.
-Column 1: D3
    Column 2: Lower control limit for a range chart

Accepted Answer

Lower cont

Question 5

A p-chart has been developed for a particular item.In the past,4% of such items have been found to be defective.If a sample of 100 is taken,and 9 of these are found to be defective,should the process be considered out of control based on 99.7% control limits? Explain.

Accepted Answer

If 99.7% control limits are de

Question 6

Technically,to achieve Six Sigma quality,there would have to be fewer than 3.4 defects per million opportunities.

Accepted Answer

A) True 
 B)False

Question 7

Technically,to achieve Six Sigma quality,there would have to be fewer than ________ defects per million opportunities.

Accepted Answer

A) 6 
B) 166,667 
C) 667 
D) 67 
E) 3.4 
A) 6 
B) 166,667 
C) 667 
D) 67 
E) 3.4

Question 8

Defects in the finish of new,custom,automobiles usually require the whole body to be repainted.In one "custom" shop,the percentage of defective finishes has been 2 percent.If a sample size of 10 is taken,what should the 99.7 percent upper control limit be?

Accepted Answer

A) 0.1328 
B) 0.1085 
C) 0.0443 
D) 0.1528 
E) None of the above 
A) 0.1328 
B) 0.1085 
C) 0.0443 
D) 0.1528 
E) None of the above

Question 9

Table 15-1  
-Refer to Table 15-1.To guarantee that cans of soup are properly filled,some cans are sampled and the amounts measured.The overall average for the samples is 12 ounces.Each sample contains 10 cans.The average range is 0.4 ounces.The upper control chart limit for the sample averages would be

Accepted Answer

A) 12.1232. 
B) 11.8768. 
C) 13.2. 
D) 12.308. 
E) None of the above 
A) 12.1232. 
B) 11.8768. 
C) 13.2. 
D) 12.308. 
E) None of the above

Question 10

Match the following.
-Column 1:   ± A2
    Column 2: Control limits for an   chart

Accepted Answer

Control li

Question 11

An x-bar chart would be appropriate to monitor the number of defects in a production lot.

Accepted Answer

A) True 
 B)False

Question 12

Table 15-2
Given the sample results (100 units in each sample):  
-The c-chart is useful when we

Accepted Answer

A) take a number of measurements and compute the average. 
B) take a number of measurements and compute the ranges. 
C) find the fraction of the production lot defective. 
D) find the number of defective items in a production lot. 
E) None of the above 
A) take a number of measurements and compute the average. 
B) take a number of measurements and compute the ranges. 
C) find the fraction of the production lot defective. 
D) find the number of defective items in a production lot. 
E) None of the above

Question 13

A quality control program is being developed for batteries.The percent defective for these in the past has been 3%.If a sample size of 120 is taken,what would the 99.7% upper control chart limit be?

Accepted Answer

A) 0.0812 
B) 0.0767 
C) 0.0611 
D) 0.0307 
E) 0.0471 
A) 0.0812 
B) 0.0767 
C) 0.0611 
D) 0.0307 
E) 0.0471

Question 14

A coffee company is attempting to make certain that all its packaged coffee beans contain the same amount of coffee bean by weight.Over the last few days,it has taken several samples.The overall average weight of the sampled packages is 16 ounces,with an average range of 3 ounces.Each sample was of four packages.What would be the 99.7 upper and lower control limits for an R chart?

Accepted Answer

UCL = 6.84

Question 15

Samples sizes of five are often used when building control charts.

Accepted Answer

A) True 
 B)False

Question 16

R-charts measure changes in

Accepted Answer

A) central tendency. 
B) degree of variation. 
C) number of defects per production lot. 
D) natural variations. 
E) None of the above 
A) central tendency. 
B) degree of variation. 
C) number of defects per production lot. 
D) natural variations. 
E) None of the above

Question 17

Table 15-2
Given the sample results (100 units in each sample):  
-A company has been receiving complaints about the attitude of some sales clerks.Over a 10-day period,the total number of complaints was 360.The company wishes to develop a control chart for the number of complaints.What would the upper control limit on the number of complaints per day be for a 2 sigma (95.5%)control chart?

Accepted Answer

A) 12 
B) 42 
C) 48 
D) 54 
E) None of the above 
A) 12 
B) 42 
C) 48 
D) 54 
E) None of the above

Question 18

Variations that usually occur in a process are called

Accepted Answer

A) process variations. 
B) natural variations. 
C) control variations. 
D) assignable variations. 
E) None of the above 
A) process variations. 
B) natural variations. 
C) control variations. 
D) assignable variations. 
E) None of the above

Question 19

Defects in marble countertops usually require the whole top to be reconstructed.In one kitchen shop,the percent defective in the past has been one percent.If a sample size of 30 is taken,what should the 95.5 percent upper control limit be?

Accepted Answer

A) 0.030 
B) 0.000 
C) 0.046 
D) 0.064 
E) None of the above 
A) 0.030 
B) 0.000 
C) 0.046 
D) 0.064 
E) None of the above

Question 20

Defects in computer hard-drives will usually render the entire computer worthless.For a particular model,the percent defective in the past has been 1%.If a sample size of 400 is taken,what would the 95.5% lower control chart limit be?

Accepted Answer

A) 0.00995 
B) 0.00005 
C) 0.00000 
D) 0.01000 
E) 0.09550 
A) 0.00995 
B) 0.00005 
C) 0.00000 
D) 0.01000 
E) 0.09550

For the problems which follow,match the following. -Column 1: -chart Column 2: Average of variables

A(n)________ chart is appropriate to monitor the percent of mortalities due to heart problems.

Match the following. -Column 1: D₃ Column 2: Lower control limit for a range chart

A p-chart has been developed for a particular item.In the past,4% of such items have been found to be defective.If a sample of 100 is taken,and 9 of these are found to be defective,should the process be considered out of control based on 99.7% control limits? Explain.

Technically,to achieve Six Sigma quality,there would have to be fewer than 3.4 defects per million opportunities.

Technically,to achieve Six Sigma quality,there would have to be fewer than ________ defects per million opportunities.

Defects in the finish of new,custom,automobiles usually require the whole body to be repainted.In one "custom" shop,the percentage of defective finishes has been 2 percent.If a sample size of 10 is taken,what should the 99.7 percent upper control limit be?

Match the following. -Column 1: ± A₂ Column 2: Control limits for an chart

An x-bar chart would be appropriate to monitor the number of defects in a production lot.

Table 15-2 Given the sample results (100 units in each sample): -The c-chart is useful when we

A quality control program is being developed for batteries.The percent defective for these in the past has been 3%.If a sample size of 120 is taken,what would the 99.7% upper control chart limit be?

Samples sizes of five are often used when building control charts.

R-charts measure changes in

Variations that usually occur in a process are called

Defects in marble countertops usually require the whole top to be reconstructed.In one kitchen shop,the percent defective in the past has been one percent.If a sample size of 30 is taken,what should the 95.5 percent upper control limit be?

Defects in computer hard-drives will usually render the entire computer worthless.For a particular model,the percent defective in the past has been 1%.If a sample size of 400 is taken,what would the 95.5% lower control chart limit be?

Introduction to Quantitative Analysis

Probability Concepts and Applications

Decision Analysis

Regression Models

Forecasting

Inventory Control Models

Linear Programming Models: Graphical and Computer Methods

Linear Programming Applications

Transportation,assignment,and Network Models

Integer Programming,goal Programming,and Nonlinear Programming

Project Management

Waiting Lines and Queuing Theory Models

Simulation Modeling

Markov Analysis

Analytic Hierarchy Process

Dynamic Programming

Decision Theory and the Normal Distribution

Game Theory

Mathematical Tools: Determinants and Matrices

Calculus-Based Optimization

Linear Programming: The Simplex Method

Transportation, Assignment, and Network Algorithms

Filters

Exam 15: Statistical Quality Control

For the problems which follow,match the following. -Column 1: -chart Column 2: Average of variables

A(n)________ chart is appropriate to monitor the percent of mortalities due to heart problems.

Match the following. -Column 1: D3 Column 2: Lower control limit for a range chart

A p-chart has been developed for a particular item.In the past,4% of such items have been found to be defective.If a sample of 100 is taken,and 9 of these are found to be defective,should the process be considered out of control based on 99.7% control limits? Explain.

Technically,to achieve Six Sigma quality,there would have to be fewer than 3.4 defects per million opportunities.

Technically,to achieve Six Sigma quality,there would have to be fewer than ________ defects per million opportunities.

Defects in the finish of new,custom,automobiles usually require the whole body to be repainted.In one "custom" shop,the percentage of defective finishes has been 2 percent.If a sample size of 10 is taken,what should the 99.7 percent upper control limit be?

Match the following. -Column 1: ± A2 Column 2: Control limits for an chart

An x-bar chart would be appropriate to monitor the number of defects in a production lot.

Table 15-2 Given the sample results (100 units in each sample): -The c-chart is useful when we

A quality control program is being developed for batteries.The percent defective for these in the past has been 3%.If a sample size of 120 is taken,what would the 99.7% upper control chart limit be?

Samples sizes of five are often used when building control charts.

R-charts measure changes in

Variations that usually occur in a process are called

Defects in marble countertops usually require the whole top to be reconstructed.In one kitchen shop,the percent defective in the past has been one percent.If a sample size of 30 is taken,what should the 95.5 percent upper control limit be?

Defects in computer hard-drives will usually render the entire computer worthless.For a particular model,the percent defective in the past has been 1%.If a sample size of 400 is taken,what would the 95.5% lower control chart limit be?

Introduction to Quantitative Analysis

Probability Concepts and Applications

Decision Analysis

Regression Models

Forecasting

Inventory Control Models

Linear Programming Models: Graphical and Computer Methods

Linear Programming Applications

Transportation,assignment,and Network Models

Integer Programming,goal Programming,and Nonlinear Programming

Project Management

Waiting Lines and Queuing Theory Models

Simulation Modeling

Markov Analysis

Analytic Hierarchy Process

Dynamic Programming

Decision Theory and the Normal Distribution

Game Theory

Mathematical Tools: Determinants and Matrices

Calculus-Based Optimization

Linear Programming: The Simplex Method

Transportation, Assignment, and Network Algorithms

Filters

Match the following. -Column 1: D₃ Column 2: Lower control limit for a range chart

Match the following. -Column 1: ± A₂ Column 2: Control limits for an chart