If a Group of Independent Variables Are Not Significant Individually

question 63

Multiple Choice

If a group of independent variables are not significant individually but are significant as a group at a specified level of significance,this is most likely due to

• A) collinearity.
• B) the absence of dummy variables.
• C) the presence of dummy variables.
• D) autocorrelation.

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Definitions:

Electrocardiogram

A diagnostic test that measures the electrical activity of the heart to identify various heart conditions.

Clear And Legible

Easily readable and understandable, often referring to handwriting or print.

ECG Lead

The use of electrodes on the body to record the electrical activity of the heart from different angles, part of an electrocardiogram.

Voltage Difference

The measure of electric potential between two points, which drives the flow of electric current in a circuit.