7 ACC M4T2 Test Review

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What is a random sample?

Back

A random sample is a subset of individuals chosen from a larger set, where each individual has an equal chance of being selected.

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What is a biased sample?

Back

A biased sample is one that does not accurately represent the population from which it is drawn, often favoring one group over others.

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What is a census?

Back

A census is a survey that includes every member of a population.

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What is a population in statistics?

Back

The population is the entire group of individuals or instances about whom we hope to learn.

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What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole.

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What does it mean to collect data?

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Collecting data involves gathering information to analyze and draw conclusions.

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What is the difference between qualitative and quantitative data?

Back

Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

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What is the purpose of a survey?

Back

A survey is used to collect data from a group of individuals to understand their opinions, behaviors, or characteristics.

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What is an underdog in a competition?

Back

An underdog is a competitor who is expected to lose or is at a disadvantage compared to others.

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What is the significance of sample size in a survey?

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Sample size affects the reliability and validity of the survey results; larger samples generally provide more accurate representations.