presenting data

    Cards (4)

    • bar chart
      graphical representation used to display and compare frequency, count/ other measures for different categories/ groups
      each bar’s length/ height corresponds to its value
    • histogram
      used for continuous data (e.g. age)
      there should be no space between the bar because data is continuous (e.g. 1-9, 10-19, 20-29, etc.)
    • line graph
      a type of chart used to display data points connected by straight lines showing trends/ changes overtime / across categories
      effective for illustrating continuous data & tracking variations
    • scatter diagram
      displays the relationship between 2 variables
      each point represents a single observation with values for both variables
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