A Researcher Working in a Human Resources Department Was Interested

question 7

Multiple Choice

A researcher working in a Human Resources department was interested in gender and sales figures so he conducted a t-test. The mean for males was 66.25 and the mean for females was 78.24, with both groups having a standard deviation of 7. What is the effect size using Cohen's d?

• A)1.712
• B)0
• C)1.7
• D)-1.712

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Definitions:

Unit Contribution Margin

The profit per unit sold, calculated by subtracting the variable cost per unit from the selling price per unit.

Break-Even Point

The level of production or sales at which total costs equal total revenue, meaning the business neither earns nor loses money.

Contribution Margin Percentage

The ratio of contribution margin (sales revenue minus variable costs) to total sales revenue, expressed as a percentage.

Variable Cost Per Unit

The cost that varies with the level of output or sales, calculated on a per-unit basis.