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In a Particular Industry, Products Need a Certain Level of Maintenance.Customers

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In a particular industry, products need a certain level of maintenance.Customers can take the product to service companies to provide that maintenance.However, a number of manufacturers offer reasonably priced maintenance packages as well.This level of service after the sale indicates what about the industry?


Definitions:

Independent Variable

In an experiment, the variable that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Dependent Variable

A variable in an experiment that is expected to change as a result of manipulations of the independent variable.

Extraneous Variable

Any variable in a scientific experiment that is not the independent or dependent variable but may affect the results of the experiment if not properly controlled.

Random Assignment

A method used in experiments where participants are allocated to different groups purely by chance, minimizing pre-existing differences between those groups.

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