Given the data below is normally distributed, and the population standard deviation is 3.1, what is the 90% confidence interval for the mean?
22, 23, 19, 17, 29, 25

• A.17.4 - 27.6
• B.21.65 - 23.35
• C.20.88 - 24.12
• D.20.42 - 24.59

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The Dodge-Romig tables are designed to minimize which of the following parameters?

• A.AOQ
• B.AOQL
• C.AQL
• D.ATI

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

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

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A quality control program is considered to be

• A.A summary of company quality control policies.
• B.A collection of quality control procedures and guidelines.
• C.A system of activities to provide quality of products and service.
• D.A step by step listing of all quality control check points.

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Which of the following is NOT considered a prevention cost?

• A.Data acquisition and analysis.
• B.Training.
• C.Calibrating test equipment.
• D.Writing operating procedures.

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