Which of These Describes the Best Experimental Design to Test

question 44

Multiple Choice

Which of these describes the best experimental design to test the idea that scrotal temperature is less with boxers than with briefs?

• A)Take an equal number of men wearing boxers and men wearing briefs and have them go into a clinic and have their scrotal temperatures measured.
• B)Recruit a number of men of approximately the same age and have some put on boxers and some put on briefs and then measure their scrotal temperatures.
• C)Recruit a number of men of approximately the same age with half wearing boxers and half wearing briefs.Have them spend time in a room of the same constant temperature and then measure their scrotal temperatures.
• D)Take the first 100 men who come into a fertility clinic,record who are wearing boxers and who are wearing briefs,and then measure their scrotal temperatures.

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Definitions:

Unit Contribution Margin

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

Fixed Costs

Fixed costs are those business expenses that do not change with the level of goods or services produced, such as rent.

Break-even Sales

The amount of revenue needed to cover both the fixed and variable costs of a business, resulting in no profit or loss.

Unit Selling Price

The price at which a single unit of product is sold, not including any discounts or promotions.