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Introductory Statistics Key Concepts

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Terms in this set (8)

  • What does nominal data represent?

    Nominal data represents categories with no order, often yes/no or names.

  • What is ordinal data?

    Ordinal data represents categories with a meaningful order, like ranks A, B, C.

  • What characterizes interval data?

    Interval data has ordered values with equal intervals but no true zero point.

  • What defines ratio data?

    Ratio data has ordered values with equal intervals and a true zero point.

  • What is discrete data?

    Discrete data consists of countable numbers, often integers.

  • What is continuous data?

    Continuous data can take any value within a range and is measured.

  • What does statistical significance mean?

    Statistical significance means a result is unlikely due to chance, based on math.

  • What is practical significance?

    Practical significance means the result has real-world importance or impact.