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A frequency distribution in which the data is only nominal or ordinal. Ungrouped Frequency Distribution. A frequency distribution of numerical data. The raw data is not grouped. Grouped Frequency Distribution. A frequency distribution where several numbers are grouped into one class.
A frequency distribution is a table that shows \classes or \intervals of data entries with a count. of the number of entries in each class. The frequency f of a class is the number of data entries in. the class. Each class will have a \lower class limit and an \upper class limit which are the lowest. and highest numbers in each class. The \class width is the distance between the lower limits of. consecutive classes.