Which of the Following Is Impossible

question 98

Multiple Choice

Which of the following is impossible?

• A) a test with high reliability and high predictive validity
• B) a test with high reliability and low predictive validity
• C) a test with low reliability and high predictive validity
• D) a test with low reliability and low predictive validity

---

Definitions:

Fixed Manufacturing Cost

Expenses that do not change with the level of production, such as rent, salaries, and insurance, required to operate a manufacturing facility.

Mixed Cost

A cost that contains both variable and fixed cost elements; it changes with the level of activity but not in direct proportion.

Least-squares Regression

A statistical method used to determine the line of best fit by minimizing the squares of the differences between observed and predicted values.

Variable Manufacturing Cost

Costs that vary directly with the level of production output, such as raw materials and labor.