The Average Hourly Wage of Computer Programmers with 2 Years

question 39

Multiple Choice

The average hourly wage of computer programmers with 2 years of experience has been $21.80. Because of high demand for computer programmers, it is believed there has been a significant increase in the average hourly wage of computer programmers. To test whether or not there has been an increase, the correct hypotheses to be tested are

• A) H₀: μ < 21.80 H_a: μ ≥ 21.80.
• B) H₀: μ = 21.80 H_a: μ ≠ 21.80.
• C) H₀: μ > 21.80 H_a: μ ≤ 21.80.
• D) H₀: μ ≤ 21.80 H_a: μ > 21.80.

---

Definitions:

Total Fixed Expense Line

A representation of all fixed costs combined, often used in financial analysis to assess a company's expenses.

Contribution Margin Ratio

The percentage of each sale that contributes to covering fixed costs and generating profit, calculated as contribution margin divided by sales revenue.

Total Volume

The cumulative amount or quantity of something, often referring to production output or sales in a business context.

Unit Contribution Margin

The amount each unit sold adds to profit, calculated by subtracting variable costs associated with a product from the sales price per unit.