A Process Capability Index C_p of 1

question 22

True/False

A process capability index C_p of 1.0 describes a production where the difference in the specification limits is equal to 6 standard errors.

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Definitions:

Controllable Variance

The difference between the expected cost and the actual cost that management has the power to influence or control.

Fixed Factory Overhead

Regular, consistent expenses incurred in the operation of a factory that do not vary with production level, such as rent, salaries, and insurance.

Volume Variance

The difference between the expected volume of production and the actual volume, which impacts the allocation of fixed costs in some costing systems.

Direct Labor Rate Variance

The difference between the actual costs of labor and the expected (or standard) costs, based on the hourly wage rates times the number of hours worked.