In ANOVA,the F-Test Is the Ratio of Two Sample Variances

question 90

Multiple Choice

In ANOVA,the F-test is the ratio of two sample variances.In the one-way ANOVA (completely randomized design) ,the variance used as a numerator of the ratio is:

• A)mean square for treatments.
• B)mean square for error.
• C)total sum of squares.
• D)None of these choices.

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Definitions:

Curvilinear Relationship

A relationship between two variables where the change in one variable does not consistently result in a proportional change in the other, often depicted as a curved graph.

Residual Plot

A graph that shows the residuals (the differences between observed and predicted values) on the vertical axis against the predicted values on the horizontal axis, used to evaluate the fit of a model.

Curvilinear Regression

A form of regression analysis in which the relationship between the independent variable and the dependent variable is modeled as an nth degree polynomial.

Specific Risk

A type of risk that affects a very small number of assets, such as a single stock or sector, also known as unsystematic or idiosyncratic risk.