Construct a grouped frequency distribution table with width 10 of each class, in such a way that one of the class is 10-20 (20 not included).
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Updated April 24, 2017
By Vivek Saxena
Grouped frequency distribution charts let statisticians organize large sets of data in a format that is easy to comprehend. For instance, if 10 students scored an A, 30 students scored a B and five students scored a C, you could represent this large set of data in a frequency distribution chart. The most common type of frequency distribution chart is a histogram, which is a specialized bar graph, wherein the data is divided by adjacent intervals of equal length known as classes.
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