As the scatter of points about a regression line becomes less, r2 will

• A.Become smaller.
• B.Approach a value of 1.
• C.Be unaffected.
• D.Become larger.

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Applications for surface plate includes which of the following?
. Referencing plane for length measurements.
. Referencing plane for parallelism measurements.
. Establishing a datum plane for dimensional layout.
. Waiting place for delicate parts.
. Keeping extra gages when not in use.

• A.I andIVonly
• B.I,IIandIIIonly
• C.IIIand V only
• D.I andIIonly

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The probability of an accident for the head event "H" given below is:

• A.0.1125
• B.0.1100
• C.0.0689
• D.0.0700

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Compute the upper control limit for an s chart, based on a sample size of 10, if the process is in control with a mean of 40 and a sample standard deviation of 7.

• A.15.7
• B.21
• C.13.3
• D.11.7

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The critical value of the t-distribution is

• A.Always greater than the critical value of the normal distribution.
• B.Approaches the critical value of the normal distribution as the degrees of freedom increase.
• C.Always less than the critical value of the normal distribution.
• D.Not related to the critical value of the normal distribution.

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