Which of the Following Statements About Scoping in Scheme Is

question 10

Multiple Choice

Which of the following statements about scoping in Scheme is correct?

• A) A bound variable is a variable referenced within a function that is not also a formal parameter to that function.
• B) A free variable is a variable within a function that is also a formal parameter to that function.
• C) A free variable is a variable referenced within a function that is not also a formal parameter to that function.
• D) A free variable is one that is bound within a nested function.

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Definitions:

Actual Output

The quantity of finished goods or services produced by a company over a specific period.

Labor Rate Variance

The difference between the actual cost of labor and the budgeted cost of labor, based on the standard rate and actual hours worked.

Variable Overhead Rate Variance

The difference between the actual variable overhead costs incurred and the expected costs based on the standard variable overhead rate.

Materials Quantity Variance

The deviation between the realized quantity of materials consumed in production and the forecasted quantity, multiplied by the set cost per unit.