Webb2 apr. 2024 · To construct a histogram, first decide how many bars or intervals, also called classes, represent the data. Many histograms consist of five to 15 bars or classes for clarity. The number of bars needs to be chosen. Choose a starting point for the first interval to be less than the smallest data value. WebbCorresponding to each class interval, a vertical bar is drawn whose height is proportional to the class frequency. Limitations: We cannot construct a histogram for distribution with open-ended classes. ... The Frequency curve is presented in Fig 4.11. 4. Cumulative frequency curve ( Ogive )
2.3: Histograms, Frequency Polygons, and Time Series Graphs
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Ogive or Cumulative Frequency Curve - Presentation of Data
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