Question 1
Which of the following is true of a p-chart?
◦ The lower control limit may be at zero.
◦ The lower control limit indicates the minimum acceptable number of defects.
◦ The lower control limit equals D
3 times p-bar.
◦ The lower control limit is the same as the lot tolerance percent defective.
◦ The lower control limit is found by subtracting a fraction from the average number of defects.
Question 2
The normal application of a p-chart is in
◦ rejection sampling by attributes.
◦ process sampling by variables.
◦ process sampling by attributes.
◦ acceptance sampling by attributes.
◦ acceptance sampling by variables.