A Teacher Would Like to Take a Sample of Their

question 4

Multiple Choice

A teacher would like to take a sample of their students by giving a survey to ten students from every class he teaches. He puts a piece of paper with the students' names in paper bags, with one paper bag representing one class. He then draws ten slips of paper from each bag to determine who will take the survey. What type of sampling has he just conducted?

• A) convenience sampling
• B) cluster sampling
• C) purposive sampling
• D) simple random sampling

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Definitions:

Straight-Line Depreciation

A way of allocating the expenditure of a physical asset in uniform annual installments over its lifespan.

Average Rate of Return

A financial ratio that shows the average annual return on an investment, expressed as a percentage of the initial investment cost.

Estimated Annual Net Income

The projection of net earnings over a given fiscal year, taking into account all expected revenue and expenses.

Cash Payback Period

The length of time it takes for an investment to generate enough cash flow to recoup the original investment.