What Is the Null Hypothesis to Test the Significance of the Slope

question 1

Multiple Choice

What is the null hypothesis to test the significance of the slope in a regression equation?

• A)H₀: β = 0
• B)H₀: β ≠ 0
• C)H₀: β ≤ 0
• D)H₀: β ≥ 0

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Definitions:

Variability

How much scores differ from one another or, put another way, the amount of spread or dispersion in a set of scores.

Within-group Differences

Variability or disparities found within a single group's members rather than between different groups.

Between-group Differences

Refers to variations or discrepancies in characteristics or outcomes between distinct groups in a study.

Within-groups Df

Degrees of Freedom used within an analysis to account for variability among grouped observations or subjects.