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Histograms definitions

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  • Histogram
    Graphical display using adjacent vertical bars to represent frequencies of quantitative data across intervals.
  • Frequency Distribution
    Table organizing data values into classes or bins, showing how often each class occurs.
  • Quantitative Data
    Numerical information that can be measured or counted, suitable for mathematical analysis.
  • Class Midpoint
    Value found by averaging the upper and lower boundaries of a class interval, used for labeling axes.
  • Class Interval
    Range of values grouped together in a frequency distribution, forming the basis for histogram bars.
  • Frequency
    Count of data points falling within a specific class or bin in a dataset.
  • Vertical Axis
    Axis on a histogram representing the frequencies of each class or bin.
  • Horizontal Axis
    Axis on a histogram labeled with class midpoints or intervals, representing data categories.
  • Normal Distribution
    Symmetrical, bell-shaped pattern where most data clusters around the center value.
  • Skewed Right
    Distribution shape with a peak on the left and a long tail extending to higher values on the right.
  • Skewed Left
    Distribution shape with a peak on the right and a long tail extending to lower values on the left.
  • Uniform Distribution
    Pattern where all classes or bins have roughly equal frequencies, showing no dominant peak.
  • Bar Chart
    Graph using separated bars to compare frequencies, but unlike histograms, typically for categorical data.
  • Pattern Recognition
    Process of identifying trends or shapes in data visualizations to interpret underlying distributions.
  • Bin
    Interval grouping data values for frequency analysis, forming the basis for each bar in a histogram.