If We Are Testing the Significance of the Independent Variable

question 62

Multiple Choice

If we are testing the significance of the independent variable X₁ and we reject the null hypothesis H₀: β₁ = 0, we conclude that

• A) X₁ is significantly related to y.
• B) X₁ is not significantly related to y.
• C) X₁ is an unimportant independent variable.
• D) β₁ is significantly related to the dependent variable y.

Recognize the application and interpretation of confidence intervals and their importance in statistical analysis.

Identify the significance and application of nonparametric statistics when normal distribution assumptions do not hold.

Comprehend basic statistical tests (t-test, ANOVA) and their uses in comparing groups.

Understand the principles underlying regression analysis and the conditions for its use.

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The basic physical and organizational structures needed for the operation of a society or enterprise, such as roads, bridges, water supply, and electric grids.