If a Group of Independent Variables Are Not Significant Individually

question 62

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

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Definitions:

P-value

The probability of observing a statistic as extreme as, or more extreme than, the observed results under the null hypothesis.

Null Hypothesis

A statement asserting there is no significant difference or effect, which researchers aim to test against alternative hypotheses.

Significance Tests

Statistical tests used to determine whether there is enough evidence in a sample of data to infer that a certain condition holds for the entire population.

Alternative Hypothesis

A statement that contradicts the null hypothesis and is tested to determine if the null hypothesis can be rejected.