Frequency table worksheet for Pre-Algebra
A frequency table is a data set written short: each row is a value and how many times it happened. To find the mean, multiply each value by its frequency, add those up, and divide by the total frequency, not by the number of rows.
Also taught in Algebra 1 and Statistics, each at its own level and with its own examples.
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Sigma Prep · sigmaprep.io/worksheets Name Frequency Tables Date Period Use or make a frequency table to answer each question.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
Sigma Prep · sigmaprep.io/worksheets Name Frequency TablesAnswer keyVersion 1 Date Period Use or make a frequency table to answer each question.
Free math worksheets at sigmaprep.io/worksheets© 2026 Sigma Prep |
How to do these
Values with frequencies . Find the mean
- 1 times 2, plus 2 times 5, plus 3 times 3, is 21.
- There are 2 + 5 + 3 = 10 values.
- 21 divided by 10.
The answer is .
Where students go wrong
Averaging the values column. The mean of 1, 2 and 3 is 2, but that ignores that 2 happened five times; every value has to be counted as often as it occurred.
Also called frequency table, frequency tables, relative frequency or mean from a frequency table.
What you can put on this worksheet
- How many values in all
- How many data values are there in all?
→ - The mean
- Find the mean.
→ - The median
- Find the median.
→ - The mode
- Find the mode.
→ - Relative frequency as a percent
- What percent of the data values are 8?
→ - Range and interquartile range
- Find the interquartile range. For quartiles, split the data at the median, and leave the median out of both halves when the count is odd.
→ - Make a frequency table
- Make a frequency table: , , , , , , , , , →
- Relative and cumulative columns
- Find the cumulative frequency for each interval, top to bottom.
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