I Multiple R² Measures the Proportion of Explained Variation

question 109

Multiple Choice

i. Multiple R² measures the proportion of explained variation. ii. 90% of total variation in the dependent variable is explained by the independent variable for a multiple R² = 0.90.
iii. The multiple standard error of estimate measures the variation about the regression plane when two independent variables are considered.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Variable Overhead

Costs that fluctuate with production output levels, such as utilities or indirect materials, but are not directly tied to specific units produced.

Variable Overhead Rate Variance

The difference between the actual variable overhead costs and the standard variable overhead costs allocated based on a predetermined rate.

Indirect Labor

The wages paid to employees who are not directly involved in producing goods but support those who are, such as maintenance workers and supervisors.

Power

The capacity or ability to direct or influence the behavior of others or the course of events.