Making a Frequency Table
A frequency table is a great way to present a lot of data. Imagine a teacher wanted an easy way to present the test scores of their mathematics class:
How to Make a Frequency Table
Making a frequency table is easy.Question
Construct a frequency table for the numbers below.
Step-by-Step:
1
Construct a table with three columns:

2
In the Score column, write each number that appears in the set of numbers down the column, from the smallest to largest.

3
Go through the set of numbers in the Question. For each number, cross it out and put a tally mark in the Tally column, in the row for that number.
- The first number is 8. Cross it out and put a tally mark in the Tally column in the 8 row.
- The second number is 10. Cross it out and put a tally mark in the Tally column in the 10 row.
- Continue until all numbers have been crossed out and had tally marks placed in the Tally column.
4
For each row, count the tally marks. Write the number of tally marks in the Frequency column.
Answer:
We have made the frequency table for the set of numbers given in the question.
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What Are Tally Marks?
Tally marks are a way of helping you to count, especially when you have to count a large set of numbers. A vertical line is made for the first four numbers:










Top Tip
Quick Check
When there are a large number of numbers to put into a frequency table, it is easy to go wrong counting them. Crossing the numbers off as you enter them into the Tally column is one way of ensuring you check each number once only. Another useful check is to add all the numbers in the Frequency column. They should sum to the number of numbers there were to begin with. For example, if there are six numbers:

2 + 3 + 2 = 7
This is not equal to the six numbers. This tells you that a mistake has been made. (In the example above, there is only one 3, not two).
Try to find the mistake or repeat the exercise.
Counting the Numbers
In the test scores example, the numbers have been counted one at a time going from left to right. This is not the only way to do it. You could:- Go through and count all the 5s. Then all the 6s. Then all the 7s etc.
- Order the numbers and group like numbers together.