Q. ‘Parameter’ is a true population estimated by a ‘statistic’ and is often unknown.

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Q. Numerical data measured directly from a sample is known as _______

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Q. Which of the following is not a type of sampling technique?

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Q. ‘Random causes of variations’ in any manufacturing process are inevitable.

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Q. Which of the following is not a factor that affects the occurrence of ‘random causes of variation’ in any manufacturing process?

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Q. ‘Assignment causes of variation’ of any manufacturing process are also known as _______

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Q. ‘Assignment cause of variation’ in any manufacturing process can be easily traced and detected.

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Q. A stable process in any manufacturing process exhibits only ______

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Q. The x̅-charts and R-charts monitor ____ and ____ of any manufacturing process.

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Q. The x̅-charts and R-charts are also known as ________ and _______ respectively.

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Q. In the jargon of statistical process control, USL and LSL are known as _______ and _____ respectively.

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Q. Specification limits are also known as ________ of the product.

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Q. If a product falls in the range of USL-LSL then it is meeting the expectation of the customer.

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Q. Tolerance limits are the voice of the customer.

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Q. Natural tolerance is also known as _______

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Q. The upper specification limit of a product is 20.05 mm and the lower specification limit of the same product is 19.95 mm. The standard deviation is 0.25 mm. What is the value of the process capability index Cₚ?

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Q. What is the interpretation of Cₚ>1?

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Q. What is the interpretation of Cₚₖ=Cₚ?

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Q. The control chart that determines the fraction of rejected parts as non-conforming is ______

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Q. The total number of parts in ten samples of equal size is 1200. What is the average sample size?

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