What is the standard deviation of the values below?
4.5, 5.1, 6.2, 2.1, 3.9

• A.1.362
• B.2.087
• C.1.522
• D.1.136

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Which of the following quality system provisions is of the greatest concern when preparing an audit checklist for a vendor qualification system audit?

• A.Drawing and print control.
• B.Makeup of the MRB
• C.Training level of inspectors.
• D.Calibration of test equipment.

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You have been asked to sample a lot of 500 units from vendor whose past quality has been about 2% defective. A sample of 40 pieces is drawn from the lot and you have been told to reject the lot if you find two or more parts defective. What is the probability of finding two or more parts defective?

• A.0.191
• B.0.809
• C.0.047
• D.0.953

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Given the data below, what is the 90% confidence interval for the variance?
22, 23, 19, 17, 29, 25

• A.15.32 - 28.66
• B.16.87 - 56.52
• C.8.27 - 79.88
• D.4.21 - 99.07

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Normally, complaint data for both a product or service organization should provide

• A.The degree or extent of customers dissatisfaction.
• B.An indication of the organizational areas creating the most problems.
• C.The appropriate corrective action to take.
• D.The total quality costs for the organization.

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