SHORT ANSWER, FILL IN THE BLANK, TRUE/FALSE.

Your heart has different pulse rates depending on what daily type activities you are involved in.  Is that an example of random or assignable variation

1.                   Once you have constructed your x-bar and r-charts, which one should you look at first and why?

2.                   What measure is common to each of the formulas for the x-bar and r-charts?

3.                   On an R-chart, the line for the lower control limit is dotted if the subgroup size is ___7________ or

more.

What is used to estimate  in the formula for X-bar charts

4.                   What is the primary advantage and disadvantage of using the s-chart?

5.                   True or False.  A process can be in control and not be within specifications.

6.                   True or False.  If your x-bar and r-charts are out of control, your capability calculations are

unreliable.

7.                   True or False.  The Cpk value can be greater than the Cp value if the process is not centered

between the Upper Spec Limit and the Lower Spec Limit.