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Chapter 2 - Measures of Location and Spread - Measures of Central Tendency
8問 • 2年前
  • Oluwole Akande
  • 通報

    問題一覧

  • 1

    What is a Measure of Location

    A single value that describes a position in a data set

  • 2

    What is a Measure of Central Tendency

    A measure of location that describes the centre of the data

  • 3

    What are the Measures of Central Tendency

    Mean - Average of the data, Median - Middle value when the data values are put in order, Mode/Modal Class - Value or class that appears most often

  • 4

    How is the Mean, x̄, Calculate (2 methods)

    Sum of all Data Values, Σx / Number of Data Values, n, Sum of the products of Data Values and their Frequencies, Σxf / Sum of Frequencies, Σf

  • 5

    When is the Mode typically used

    When data is Qualitative, or Quantitative with only one or two modes

  • 6

    What is the term that describes a data set having two modes

    Bimodal

  • 7

    When is the Median typically used

    With Quantitative data that has extreme values

  • 8

    When is the mode typically used

    With Quantitative data

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    問題一覧

  • 1

    What is a Measure of Location

    A single value that describes a position in a data set

  • 2

    What is a Measure of Central Tendency

    A measure of location that describes the centre of the data

  • 3

    What are the Measures of Central Tendency

    Mean - Average of the data, Median - Middle value when the data values are put in order, Mode/Modal Class - Value or class that appears most often

  • 4

    How is the Mean, x̄, Calculate (2 methods)

    Sum of all Data Values, Σx / Number of Data Values, n, Sum of the products of Data Values and their Frequencies, Σxf / Sum of Frequencies, Σf

  • 5

    When is the Mode typically used

    When data is Qualitative, or Quantitative with only one or two modes

  • 6

    What is the term that describes a data set having two modes

    Bimodal

  • 7

    When is the Median typically used

    With Quantitative data that has extreme values

  • 8

    When is the mode typically used

    With Quantitative data