A control chart will be used to monitor the number of scratches on a product. The following data have been collected:

The appropriate control chart to use is:

• A.median
• B.individual and moving range
• C.np
• D.c
• E.p
• F.u
• G.x-bar and R

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Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

• A.Simple Linear Regression
• B.Full Factorial design
• C.Fractional Factorial design
• D.Response Surface Design

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Approximately what percent of the data values are smaller than the mean?

• A.25%
• B.50%
• C.75%
• D.it varies from 0% and 99+% inclusive

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A ____ from a sample is used to estimate a population _____. The two words that best fill these blanks are:

• A.value, statistic
• B.parameter, statistic
• C.statistic, parameter
• D.parameter, value
• E.item, value

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Calculate the Rolled Throughput Yield of this process using this data.
Data: unit input: 1215, unit output: 1180, defects repaired: 184, scrap: 42

• A.81.40%
• B.82.23%
• C.84.96%
• D.80.85%

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