Business Statistics

Glossary    781

Glossary

A

Absolute measure of dispersion  Absolute measures of disper-

sion are presented in the same unit as the unit of distribution.

Acceptance sampling  In acceptance sampling, a lot or batch is

accepted or rejected on the basis of information obtained from

the sample.

Action  Action relates to any activity that a decision maker can

undertake and is in the control of a decision maker.

Additive model  The additive model is used when it is assumed

that the four components of a time series are independent of one

another.

Adjusted R

 

2

  Adjusted R

2

is used when a researcher wants to

compare two or more regression models with the same dependent

variable but having different number of independent variables.

After-process control