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A control chart on which subgroup ranges are plotted

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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 1-1721 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: X-bar Control Charts 1-1722 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 R-chart. 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 p-chart? A. (.0118 .0159) B. (0 .0401) C. (.008 .0198) D. (0 .0924) AACSB: Analytic Bloom's: Application Difficulty: Medium Learning Objective: 7 Topic: P-Chart Control Charts 1-1723 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: X-bar Control Charts 80. If 20 samples of size 7 are drawn with What is the A-B 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 1-1724 = 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 R-chart? 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 p-chart? A. .04 B. .4 C. .8 D. .08 0.04 AACSB: Analytic Bloom's: Application Difficulty: Easy Learning Objective: 7 Topic: P-Chart Control Charts 1-1725 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 p-chart. 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: P-Chart 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: P-Chart Control Charts 1-1726 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 p-chart. 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: P-Chart 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: P-Chart Control Charts 1-1727 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 p-chart. 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: P-Chart Control Charts 1-1728 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: X-bar Control Charts 1-1729 Chapter 01 - An Introduction to Business Statistics 89. A foreman wan...
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This document was uploaded on 01/20/2014.

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