Data and Statistics Concepts

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CATEGORICAL

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Data that consists of attributes or labels (usually non-numerical) that you can NOT average (EX: eye color, gender, etc.)

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INDIVIDUAL

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The person or thing that’s described in a set of data (EX: all students in Mrs. Mckown’s 2B statistics class)

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POPULATION

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The collection of ALL outcomes, responses, measurements, or counts that are of interest (Detailed and Specific)

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DATA

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The information that comes from observations, counts, measurements or responses.

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STATISTIC

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A numerical description of a sample characteristic.

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QUANTITATIVE DATA

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Data that consists of numerical values that make sense to average (EX: grades, revenue, height, etc.)

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QUALITATIVE DATA

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Data that consists of non-numerical attributes or labels (EX: colors, names, etc.)

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SAMPLE

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A subset or part of a population.

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VARIABLE

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Any characteristic, number, or quantity that can be measured or counted.

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DESCRIPTIVE STATISTICS

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The branch of statistics that deals with the summarization and description of data.