An Assumption of the Statistical Test for the Significance of R

question 5

Multiple Choice

An assumption of the statistical test for the significance of r is that the.

• A)variances of X and Y are equal
• B)means of the X and Y populations are equal
• C)X and Y scores form a bivariate normal distribution
• D)X and Y scores are statistically independent

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Definitions:

Fixed Manufacturing Overhead

Costs that do not vary with the level of production, such as rent, salaries of permanent staff, and depreciation of factory equipment.

Fixed Overhead Volume Variance

The difference between the budgeted and actual fixed overhead costs attributed to the variation in produced units.

Materials Price Variance

The difference between the actual cost of materials and the standard cost, which can indicate inefficiencies or savings.

Direct Labor Rate Variance

The difference between the expected cost of direct labor at standard rates and the actual cost incurred.