## Managing Supply Chain Study Set 1

Business

## Quiz 14 :

Statistical Process Control

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Q37 Q37 Q37

Use the information below to answer the following question(s).Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F)are noted in the table below:
-What is the value of the grand mean?

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Q38 Q38 Q38

Use the information below to answer the following question(s).Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F)are noted in the table below:
-What is the value of the average range R-bar?

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Q39 Q39 Q39

Use the information below to answer the following question(s).Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F)are noted in the table below:
-What is the UCL for a X-bar chart?

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Q40 Q40 Q40

Use the information below to answer the following question(s).Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F)are noted in the table below:
-What is the LCL for a X-bar chart?

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Q41 Q41 Q41

Use the information below to answer the following question(s).Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F)are noted in the table below:
-What is the UCL for a R chart?

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Q42 Q42 Q42

Use the information below to answer the following question(s).Use the "Factors for Control Limits" Table A.3 from the textbook where required:
A control chart needs to be developed to determine if the temperature for a process is within control limits.Five samples each having 4 observations are taken and the sample measurements (temperature in degrees F)are noted in the table below:
-What is the LCL for a R chart?

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Multiple Choice

Q43 Q43 Q43

Use the information below to answer the following question(s).
An inspector visually inspects 10 samples of 200 computer monitors each for defects.Using trained judgement,the inspector either accepts or rejects the monitors based on whether they are flawless.The table below gives the results of these inspections from the 10 samples:
-What is the average proportion defective?

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Q44 Q44 Q44

Use the information below to answer the following question(s).
An inspector visually inspects 10 samples of 200 computer monitors each for defects.Using trained judgement,the inspector either accepts or rejects the monitors based on whether they are flawless.The table below gives the results of these inspections from the 10 samples:
-What is the UCL for a p chart?

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Q45 Q45 Q45

Use the information below to answer the following question(s).
An inspector visually inspects 10 samples of 200 computer monitors each for defects.Using trained judgement,the inspector either accepts or rejects the monitors based on whether they are flawless.The table below gives the results of these inspections from the 10 samples:
-What is the LCL for a p chart?

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Multiple Choice

Q77 Q77 Q77

Fifty sample measurements of the length of an automotive component yield a grand mean of 1.33 inches with an estimated standard deviation of 0.2 inches.The specification length is between 1.2 and 1.4 inches.Is the process capable of meeting the required specifications?

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