In a Two-Way ANOVA,a Blocking Variable Is Used to ________

question 44

Multiple Choice

In a two-way ANOVA,a blocking variable is used to ________.

• A)increase the error sum of squares
• B)decrease the error sum of squares
• C)increase the treatment sum of squares
• D)decrease the treatment sum of squares

---

Definitions:

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together, revealing whether and how strongly pairs of variables are related.

Correlation

A statistical measure that expresses the extent to which two variables change together, but does not necessarily imply causation.

pH

A scale used to specify the acidity or basicity of an aqueous solution, with values ranging from 0 (highly acidic) to 14 (highly basic), and 7 being neutral.

Hardness

A measure of the resistance of a material to being scratched or indented.