The term "quality audit" can refer to the appraisal of the quality system of
I. An entire plant or company.
II. One product.
III. One major quality activity.

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 lot is known to be 1.2% defective. Five units are randomly selected from the lot, and the lot is accepted if
1 or fewer defects are found. What is the probability of the lot being rejected?

The critical value of the t-distribution is

As the scatter of points about a regression line becomes less, r2 will