The sample size for a product quality audit should be

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.

The Shewhart or Deming cycle is often referred to as

An experiment with two factors, in which all levels of one variable are run at each level of the second variable, is called a

A process is in control with a defect rate of 0.2%. A sampling plans calls for 30 items to be selected at random, and for the process to be shut down and corrected if any defects are found. How often will the process be shut down without a change in the defect rate?