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Mathematics / Statistics

Mathematics / Statistics

A bar graph is a graph or chart with rectangular bars whose lengths are proportional to the values that they represent. The bars can be plotted either vertically or horizontally.
Learn to plot and read bar graphs.

Exercises
Topics
Exercises
Topics
  • Pie Charts -- Smarttest

    • Questions: 15
    • Meaning of standard deviation
    • Formula to find standard deviation
    • Standard deviation of ungrouped and grouped data by • direct method • actual mean method • assumed mean method • step deviation method
    • Coefficient of variation
    • Pie charts

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