In Regression Analysis, the Total Variation Is

question 84

Multiple Choice

In regression analysis, the total variation is:

• A) the sum of the squared deviations of each value of y from the mean of x
• B) the sum of the explained variation and unexplained variation
• C) the standard error of the forecast
• D) equal to R²

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Definitions:

Truth-Functional Compound

A complex statement formed by combining simpler statements with logical connectives, where the truth value depends solely on the truth value of its components.

Quantifier

A term in logic that specifies the quantity of specimens in the domain of discourse that satisfy an open sentence.

Open Sentences

Sentences that contain a variable or variables that can be replaced with a value or values to make the sentence true or false.

Scope

Refers to the extent of the area or subject matter that something deals with or to which it is relevant.