Frequency Polygon A frequency polygon is very similar to a histogram and represents the graphical form of data. A frequency polygon is used to show a cumulative frequency distribution or compare to sets of data. In a frequency polygon the number of observations is marked at the the midpoint […]
Read More →Histogram A histogram is from of graphical representation of grouped frequency distribution with continuous classes. In a histogram data represents like the bar graph, but it there is no gap between rectangular bars. The rectangular bars show the area of proportional to the corresponding frequency of a variable and the width of the bars represents […]
Read More →Chart or Graph Definition – Examples A chart is a graphical representation of data, in a chart the data is represented by symbols, such as a bar chart represented by bars, pie chart by slices or a line chart by lines. Type of charts 1. […]
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