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Bar Graphs and Pareto Charts definitions

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  • Bar Graph
    A visual tool for displaying categorical data using bars whose heights or lengths represent category frequencies.
  • Categorical Data
    Information sorted into groups or categories, such as hair color, rather than measured numerically.
  • Frequency
    The number of times a particular category appears within a dataset, often shown by bar height.
  • X-Axis
    The horizontal line on a graph where categories are typically placed in bar graphs.
  • Y-Axis
    The vertical line on a graph that usually displays the frequency scale in bar graphs.
  • Scale
    A set of evenly spaced values on an axis that helps measure and compare bar heights accurately.
  • Pareto Chart
    A special bar graph with bars arranged in descending order to highlight the most frequent categories.
  • Descending Order
    An arrangement from highest to lowest, used in Pareto charts to organize bars by frequency.
  • Category
    A distinct group or label within a dataset, such as a specific hair color in a classroom.
  • Tick Mark
    A small line on an axis indicating a value, used to help read bar heights and frequencies.
  • Data Table
    A structured arrangement of information, often used as a source for creating bar graphs.
  • Trend
    A noticeable pattern or direction in data, such as which category is most or least common.
  • Qualitative Data
    Non-numeric information describing qualities or characteristics, often visualized with bar graphs.
  • Comparison
    The act of evaluating differences or similarities between categories, often by examining bar heights.
  • Minimum Frequency
    The lowest count of occurrences for any category in a dataset, important for setting graph scales.