Question: The data below are i and s values for 20 samples of size n=9 taken from a process producing bearings. The measurements are made for
The data below are i and s values for 20 samples of size n=9 taken from a process producing bearings. The measurements are made for the outside diameter of the
bearing in mm and the values are recorded in the Table. Assume that diameter normally distronted
- Set up # and s chast on this process. Does the process seem to be in statistical control? If necessary, revise the trial control limts.
- If the specification on this diameter are 34.75 1.20, then find the percentage of nonconforming bearings produced by this process.
c What are the values of Cp and Cpk index?
d. What aro the natura tolerance imits of the orocess?
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