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Chapter 3 - Representations of Data - Histograms
5問 • 2年前
  • Oluwole Akande
  • 通報

    問題一覧

  • 1

    What are Histograms

    Plots of frequency density over the class width of grouped continuous data

  • 2

    Area of a Bar in a Histogram =

    k × Frequency

  • 3

    Frequency Density =

    (k × Frequency) / Class Width

  • 4

    How is a Histogram Drawn

    By plotting the frequency density of bars against a given variable (e.g. length), where the height of a bar corresponds to the frequency density of its group. The bar starts from the minimum class boundary and ends at the maximum class boundary

  • 5

    How is a Frequency Polygon formed

    By joining the midpoint of each bar by the top of the bars

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    問題一覧

  • 1

    What are Histograms

    Plots of frequency density over the class width of grouped continuous data

  • 2

    Area of a Bar in a Histogram =

    k × Frequency

  • 3

    Frequency Density =

    (k × Frequency) / Class Width

  • 4

    How is a Histogram Drawn

    By plotting the frequency density of bars against a given variable (e.g. length), where the height of a bar corresponds to the frequency density of its group. The bar starts from the minimum class boundary and ends at the maximum class boundary

  • 5

    How is a Frequency Polygon formed

    By joining the midpoint of each bar by the top of the bars