Frequency Tables – Practice Problems

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A frequency table is one way of summarizing data by keeping track of the frequency of occurrence of data values in a given data set.

To make a frequency table, start by arranging data values in increasing order. Create a table with three columns for the data values, tallied results, and frequency results.

List data values either individually or by intervals in the first column. Calculate the size of each interval by subtracting the smallest value from the biggest value and dividing the result by the number of desired intervals. An interval’s size must not be too big or too small and the number of intervals must not be too many or not enough. The typical number of intervals may range from 5 to 10.

To fill out the second column, inspect the sorted data set and tally the occurrence of the individual data value or interval. Finally, put together tallies for each interval, get the total, and record the frequency in the third column of the frequency table.

Summarize and describe distributions.


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Exercises in this Practice Problem
Name the different ways to represent data.
Find the right bar graph.
Find the right number of dots for the dot plot.
Pair the right frequency tables with the right bar graphs.
Determine the right frequencies.
Describe the given dot plot.