Suppose the Correlation, R, Between Two Variables X and Y

question 13

Multiple Choice

Suppose the correlation, r, between two variables x and y is -0.44.What percentage of the variability in y cannot be explained by x?

• A)19%
• B)44%
• C)81%
• D)88%
• E)12%

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Definitions:

Flexible Budget

A flexible budget is an estimation tool that adjusts for changes in the volume of activity, allowing for a more realistic comparison of actual to budgeted performance.

Materials Quantity Variance

A metric measuring the difference between the actual quantity of materials used in production and the expected quantity, multiplied by the standard cost per unit.

Labor Rate Variance

The difference between the actual cost of labor and the budgeted or standard cost, reflecting inefficiencies in wage rate management.

July

The seventh month of the Gregorian calendar, typically associated with the height of summer in the northern hemisphere.