These lessons help High School students learn how to use the frequency table to organize data, with video lessons, examples and solutions.
In a survey, people usually collect lots of data, also known as raw data. Raw data can be arranged in a frequency table.
A frequency table shows the number of times each value occurs. The mode is the data with the highest frequency.
The following data shows the test marks obtained by a group of students.
Draw a frequency table for the data and find the mode.
Go through the data; make a stroke in the tally column for each occurrence of the data. The number of strokes will be the frequency of the data.
The mode is 6 and 8 since they both have the highest frequency of 5.
Creating a Frequency Table
This video describes how the following are obtained:
mean from frequency table, mean from frequency table with intervals,
mode from frequency table and median from frequency table
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