Construct a frequency distribution for the set of data below. Use five classes, beginning with "20 up to 30," then "30 up to 40," then "40 up to 50," then "50 up to 60," and finally "60 up to 70."
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Frequency Distribution

a representation, often in the form of a table, that shows the number of observations within a particular range of values, used in statistics to summarize data sets.

Data Set

A collection of related sets of information that consists of separate elements but can be manipulated as a unit by a computer.