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Feb 12, 2013

What is a Frequency Table?

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    Feb 12, 2013

    A frequency table is constructed by arranging collected data values in ascending order of magnitude with their corresponding frequencies. Let us take an Example:- The marks awarded for an assignment set for a Year 8 class of 20 students were as follows: 6 7 5 7 7 8 7 6 9 7 4 10 6 8 8 9 5 6 4 8 Present this information in a frequency table. Solution: To construct a frequency table, we proceed as follows: Step 1: Construct a table with three columns. The first column shows what is being arranged in ascending order (i.e. the marks). The lowest mark is 4. So, start from 4 in the first column as shown below. Step 2: Go through the list of marks. The first mark in the list is 6, so put a tally mark against 6 in the second column. The second mark in the list is 7, so put a tally mark against 7 in the second column. The third mark in the list is 5, so put a tally mark against 5 in the third column as shown below. We continue this process until all marks in the list are tallied. Step 3: Count the number of tally marks for each mark and write it in third column. The finished frequency table.

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