A Quality Manager Is Developing a Regression Model to Predict

question 31

Multiple Choice

A quality manager is developing a regression model to predict the total number of defects as a function of the day of week the item is produced.Production runs are done 10 hours a day,7 days a week. The explanatory variable is ______.

• A) day of week
• B) production run
• C) percentage of defects
• D) number of defects
• E) number of production runs

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Definitions:

Regression Line

A statistical tool used to describe the relationship between two variables, predicting the value of a dependent variable based on the value of an independent variable.

Volume-Based Cost Driver

A factor that causes the cost of an activity or process to increase or decrease based on the volume of units produced or services rendered.

Discretionary Costs

Expenses that are not essential for the operation of a business, such as advertising or research and development, which can be adjusted or eliminated depending on financial performance.

Research and Development

A business or government activity that involves the investment of resources in the development and refinement of new products, services, or processes.