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Statistics and Probability

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Using a Sample to Understand a Population

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STATS-LN0ZPJ

Which of the following is a reason we would choose to use a sample to understand a population?

Choose ALL that apply.

A

Studying a sample is faster than studying the entire population.

B

Gathering data from a sample is less expensive than gathering data from the entire population.

C

A representative sample can be used to estimate the characteristics of the population, making sampling a practical practice.

D

Examining the quality of a product can actually damage the items we are testing (think car-crash tests) making it unfeasible to examine the entire population.