STATS 1-3

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9 Terms

1
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Inferential Statistics

Making guesses (inferences) about a population based on a sample.

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Population

The entire group you’re studying or interested in.

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Sample

A small group taken from the population.

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Parameter

A numerical summary that describes the entire population.

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Statistic

A numerical summary that describes a sample.

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Qualitative Variable

Describes categories or qualities; not numbers.

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Quantitative Variable

Describes numerical amounts; you can do math with it.

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Discrete Data

Countable numbers, whole values only.

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Continuous Data

Measurable values that can include decimals; infinite precision.