A Residual Plot That Has No Pattern Is a Sign

question 2

Multiple Choice

A residual plot that has no pattern is a sign that…

• A)the original data is straight and the regression line is a good model.
• B)the original data is straight and the regression line is not a good model.
• C)the model is not a good one, because there is no pattern.
• D)the original data is curved and the regression line is not a good model.
• E)the original data is curved and the regression line is a good model.

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Definitions:

Field Research

The collection of raw data outside of a lab, workspace, or controlled environment, often in its natural setting.

Descriptive

Pertaining to the detailed description of characteristics, behaviors, or phenomena, without attempting to influence or change them.

Experimental

Pertaining to a method of research in science that involves the manipulation of variables to test a hypothesis and observe the effects.

Confidence Interval

A statistical measure that provides, with a specified probability, a range of values within which a population mean is likely to lie.