The Smaller the Historical Proportion Defective Reported for a Process

question 129

True/False

The smaller the historical proportion defective reported for a process, the larger the sample size required to detect special cause (nonrandom) variation with a p-chart.

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Definitions:

Placebo

A substance with no therapeutic effect, often used as a control in testing new drugs.

Control Group

In an experiment, a group of subjects that does not receive the treatment being tested and is used as a benchmark to measure how the other tested subjects do.

Dependent Variable

In scientific research, the variable that is tested and measured; it is 'dependent' on the independent variable.

Fat Layer

A layer in the body composed primarily of adipose tissue, which stores energy and insulates and cushions the body.