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The Language of Variation: Variables

AP Statistics· difficulty 2/5

A survey records each respondent's: (a) age, (b) marital status, (c) zip code, (d) income.

Which of these variables are categorical?

  • A

    Marital status and zip code

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  • B

    All four

  • C

    Age and income

  • D

    Marital status only

Explanation

Marital status uses category labels and zip code is a coded label. Age and income are quantitative.

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