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Summarizing and Visualizing Data
Building a Frequency Table from Data
Description
A frequency distribution table organizes data by showing how often each value appears. It starts with two columns: one for the data labels and one for frequency. A third column for tally marks can be added if needed.
The next step is to look at the data set and decide whether an ungrouped frequen...
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Transcript
Consider the participants running in a marathon. Suppose one wonders how the number of participants varies with age. In order to find out, the data are summarized using a frequency distribution table, which is constructed using six steps.
First, select the number of classes, anywhere between 5 and 20, depending on the data density. Here, ...
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