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Unformatted text preview: and n = 6, calculate natural tolerance limits. (16.065, 16.135) AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 6
Topic: Process capability 11721 Chapter 01  An Introduction to Business Statistics 75. If
= 16.1,
capable?
A. Yes
B. No = .03, and n = 6, and if specifications are (15.9, 16.3), is the process Yes Since the natural tolerance limits are within the specification limits, the process is capable. AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 6
Topic: Process capability 76. If = 2.0144, = .0972, and 25 subgroups of size 5. Find the UCL and the LCL for the
A. (1.999 2.029)
B. (1.958 2.071)
C. (1.917 2.112)
D. (1.437 2.591) chart. AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Xbar Control Charts 11722 Chapter 01  An Introduction to Business Statistics 77. If
= 2.0144,
= .0972, and 25 subgroups of size 5.
Find the UCL and the LCL for the Rchart.
A. (.045 .1498)
B. (.0972 .2055)
C. (0 .2055)
D. (0.2, 114)
0 and .2055
UCLR = (2.114)(.0972) = .2055
LCLR = none AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Range Control Charts 78. If
= .0139 and 25 shipments of 20 items each were examined, what is the UCL and the
LCL for the pchart?
A. (.0118 .0159)
B. (0 .0401)
C. (.008 .0198)
D. (0 .0924) AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 7
Topic: PChart Control Charts 11723 Chapter 01  An Introduction to Business Statistics 79. If 20 samples of size 7 are drawn with
What are the UCL and the LCL for the
A. (32.313 34.347)
B. (30.693 35.697)
C. (27.68 38,98)
D. (32.911 33.749)
30.963, 35.697
33.33 ± (.419) (5.65) = 33.33 and = 5.65. chart? 30.693 to 35.697 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Xbar Control Charts 80. If 20 samples of size 7 are drawn with
What is the AB upper boundary for the
A. 35.697
B. 34.908
C. 34.347
D. 34.008 = 33.33 and
chart? 34.91 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 5
Topic: Pattern analysis 11724 = 5.65, Chapter 01  An Introduction to Business Statistics 81. If 20 samples of size 7 are drawn with
What are the UCL and LCL for the Rchart?
A. (2.345 8.955)
B. (.076 1.924)
C. (.415 1.585)
D. (.429 10.871) = 33.33 and = 5.65, 0.429 and 10.871
UCLR = (1.924)(5.65) = 10.871
LCLR = (.076)(5.65) = 0.429 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Range Control Charts 82. From 20 samples of size 100, total of 80 units is defective. What is the centerline for the
pchart?
A. .04
B. .4
C. .8
D. .08
0.04 AACSB: Analytic
Bloom's: Application
Difficulty: Easy
Learning Objective: 7
Topic: PChart Control Charts 11725 Chapter 01  An Introduction to Business Statistics 83. In 20 samples there are a total of 80 units defective. If each sample consists of 100 units,
find the appropriate UCL and the LCL for the pchart.
A. (.0269 .0531)
B. (.0204 .0596)
C. (.0380 .0420)
D. (0 .0988)
0 to 0.09879 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 7
Topic: PChart Control Charts 84. Assume that 25 samples of 50 each are taken and the total number of defectives is 34.
Calculate
A. .680
B. .453
C. .816
D. .0272 . .0272 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 7
Topic: PChart Control Charts 11726 Chapter 01  An Introduction to Business Statistics 85. Assume that 25 samples of 50 each are taken and the total number of defectives is 34.
Find the LCL and UCL for the pchart.
A. (.0134 .0410)
B. (0 .0962)
C. (.0042 .0502)
D. (.0239 .0304)
0 and .0962 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 7
Topic: PChart Control Charts 86. Use this information about 10 shipments of light bulbs: If 400 bulbs are selected at random from each of 10 shipments and the number of defectives
in each shipment is given above, find the appropriate center line.
A. .005
B. .05
C. .0025
D. .01
.005 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 7
Topic: PChart Control Charts 11727 Chapter 01  An Introduction to Business Statistics 87. Use this information about 10 shipments of light bulbs: If 200 light bulbs are selected at random from each of 10 shipments and the number of
defectives in each shipment is given above, find the LCL and the UCL for the pchart.
A. (0 .1044)
B. (.003 .017)
C. (0 .0311)
D. (.009 .0115)
0 and .0311 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 7
Topic: PChart Control Charts 11728 Chapter 01  An Introduction to Business Statistics 88. A foreman wants to use an
chart to control the average length of the bolts
manufactured. He has recently collected the six samples given below. Calculate the mean of the means
A. 2.010
B. 2.406
C. 2.000
D. 2.005 . 2.005 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Learning Objective: 4
Topic: Xbar Control Charts 11729 Chapter 01  An Introduction to Business Statistics 89. A foreman wan...
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This document was uploaded on 01/20/2014.
 Winter '14

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