Unformatted text preview: units. = 10 inches, Calculate the standard control limits for the
A. 9.526 and 10.474
B. 9.769 and 10.231
C. 9.807 and 10.193
D. 9.484 and 10.516
E. 8.80 and 11.20 = .4 inches and the subgroup sample chart. AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Xbar Control Charts 46. For a manufacturing process,
= 10 inches,
size is 6 units.
Calculate the standard control limits for the R chart.
A. 0 and .846
B. 0 and .802
C. 0 and .77
D. 0 and 1.0
E. .09 and .89 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Range Control Charts 11710 = .4 inches and the subgroup sample Chapter 01  An Introduction to Business Statistics 47. A powder metal manufacturing company is producing sleeves for a locking mechanism.
The target (nominal) value for the inside diameter is 1 inch. The inside diameter specifications
are 1 ± .005 inches. Assume that the process is in statistical control with = 1.0002 inches, = .003 inches and subgroup size of 5.
Calculate the control limits for the
A. .99781 to 1.00219
B. .99801 to 1.00238
C. .99830 to 1.00713
D. .99847 to 1.00193
E. .995 to 1.005 chart. AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Xbar Control Charts 48. A powder metal manufacturing company is producing sleeves for a locking mechanism.
The target (nominal) value for the inside diameter is 1 inch. The inside diameter specifications
are 1 ± .005 inches. Assume that the process is in statistical control with
= 1.0002 inches,
= .003 inches and subgroup size of 5.
What are the natural tolerance limits for this process? Is the process capable?
A. .99847 to 1.00193, yes
B. .99847 to 1.00193, no
C. .99633 to 1.004, yes
D. .99633 to 1.004, no
E. .995 to 1.005, yes AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 6
Topic: Process capability 11711 Chapter 01  An Introduction to Business Statistics 49. A powder metal manufacturing company is producing sleeves for a locking mechanism.
The target (nominal) value for the inside diameter is 1 inch. The inside diameter specifications
are 1 ± .005 inches. Assume that the process is in statistical control with = 1.0002 inches,
= .003 inches and subgroup size of 5.
What is the sigma level capability for this process?
A. 3.0
B. 3.72
C. 1.6
D. 1.0
E. 2.72 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 6
Topic: Process capability 50. A powder metal manufacturing company is producing sleeves for a locking mechanism.
The target (nominal) value for the inside diameter is 1 inch. The inside diameter specifications
are 1 ± .005 inches. Assume that the process is in statistical control with
= .003 inches and subgroup size of 5.
Determine the estimated number of standard deviations of process leeway.
A. 3
B. 1.667
C. 3.72
D. 1.443
E. .72 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 6
Topic: Process capability 11712 = 1.0002 inches, Chapter 01  An Introduction to Business Statistics 51. A powder metal manufacturing company is producing sleeves for a locking mechanism.
The target (nominal) value for the inside diameter is 1 inch. The inside diameter specifications
are 1 ± .005 inches. Assume that the process is in statistical control with = 1.0002 inches, = .003 inches and subgroup size of 5.
Calculate the estimated proportion of out of specification sleeve inside diameters.
A. .0471
B. .0217
C. .4861
D. .4783
E. .0139 AACSB: Analytic
Bloom's: Application
Difficulty: Hard
Learning Objective: 6
Topic: Process capability 52. If a control chart is used correctly and the necessary corrective actions are taken, then as
the control limits get close to each other, the potential quality of the product _____________.
A. decreases
B. increases
C. stays the same
D. fluctuates AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 4
Topic: Process quality 11713 Chapter 01  An Introduction to Business Statistics 53. A _____ is a set of process observations that are examined for the purpose of constructing
control charts.
A. Subgroup
B. Sample
C. Zone
D. Common causes AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Learning Objective: 3
Topic: Process sampling 54. _____ is the sigma level capability divided by three.
A. Process leeway
B. Cpk index
C. R/d2
D. p AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Hard
Learning Objective: 6
Topic: Process capability 55. A control chart on which subgroup means are plotted versus time is a(n) _____ chart.
A.
B. R
C. p
D. C AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Learning Objective: 4
Topic: Xbar Control Charts 11714 Chapter 01  An Introduction to Business Statistics 56. A control chart on which subgroup ranges are plotted versus time is a(n) _____ chart.
A.
B. R
C. p
D. C AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Learning Objective: 4
Topic: Range Control Charts 57. A control chart on which the proportions of n...
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 Winter '14
 Frequency, Frequency distribution, Histogram, AACSB, Statistical charts and diagrams

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