Suppose for a Given Data Set the Regression Equation Is

question 27

Multiple Choice

Suppose for a given data set the regression equation is: y = 54.78 + 1.45x, and the point (0.00, 24.78) is in the data set. The residual for this point is ___.

• A) 24.78
• B) −24.78
• C) 0.00
• D) 30.00
• E) −30.00

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Definitions:

Confederate Group

A group of individuals who are part of an experiment and are instructed to behave in a certain way by the researcher to manipulate the environment.

Placebo

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

Fake Treatment

A placebo or sham treatment given to participants in research, which has no therapeutic effect.

Demand Characteristic

Cues in an experimental environment that communicate to participants how they are expected to behave.