When planning quality control functions, which one of the following is MOST directly related to production of a quality product?

Inspection operations typically

To be effective, a corrective and preventive action system must have

Periodically, a sample of 20 items are randomly selected from a population that is normally distributed, the average is computed, and plotted. Which of the following statements is correct?
I. The average of the logarithms of the values is lognormally distributed.
II. The standard deviation of the averages is equal to the standard deviation of the individuals divided by the square root of 20.
III. The variance of the averages is equal to the variance of the individuals divided by the square root of 20.

In the planning of a new major manufacturing program, the greatest quality effort should be put logically in