Which of the Following Yields a Stratified Sample

question 138

Multiple Choice

Which of the following yields a stratified sample?

• A)All students in a class are divided into groups of 15.One student is randomly chosen from the 1st group, the remaining observations are every 15th student thereafter.
• B)The best 15 students, according to the opinion of the instructor, in a class are selected.
• C)All students in a class are grouped according to their gender.A random sample of 8 is selected from the males and a separate random sample of 7 is drawn from the
• Females.
• D)The first 15 students in a class are selected without replacement.

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Definitions:

Units Sold

The quantity of product units that have been sold during a particular time period.

Contribution Format

The contribution format is a financial statement layout that separates fixed and variable costs, allowing for easier calculation of contribution margin and breakeven analysis.

Net Operating Income

The profit realized from a business's operations after subtracting operating expenses from revenue.

Units

A basic measure or quantity of a product, service, or resource, often used in manufacturing, inventory, and accounting.