Which One of the Following Instances Is MOST Like a Random

question 55

Multiple Choice

Which one of the following instances is MOST like a random sample for a class of thirty students?

• A)A coin is tossed in order to select students alternately one by one into the experimental and control groups.
• B)The first ten students who enter the classroom are placed into the experimental group and the next ten into the control group.
• C)The first twenty volunteers are selected from the physics class and alternately placed into experimental and control groups.
• D)The twenty students with the highest GPAs are selected and alternately placed into experimental and control groups.

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Definitions:

Output

Output is the total amount of goods and services produced by an economy or business over a set period, quantifying productivity and economic activity.

Short Run

A period in economics where at least one input (e.g., capital) is fixed, focusing on immediate effects rather than long-term outcomes.

Resources

A broad term for the assets, materials, and inputs used to produce goods and services, including natural, human, and capital resources.

Variable Cost

A cost that changes in proportion to the level of activity or volume of output in a business.