What Is a Frequency Table?
A frequency table is a core concept in descriptive statistics used to summarize the number of occurrences of each distinct value in a dataset. It helps to identify patterns and distributions by organizing raw data into a structured format.
Types of Frequency Tables
- Simple Frequency Table: Lists individual values and their frequencies.
- Grouped Frequency Table: Organizes data into intervals or "bins."
- Relative Frequency Table: Shows proportions or percentages.
- Cumulative Frequency Table: Adds frequencies progressively.
Example: Constructing a Frequency Table
Given this data: 3, 4, 4, 5, 2, 1, 3, 4
| Value | Frequency |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 1 |
Frequency Table Calculator
To generate a grouped frequency table and histogram automatically, you can use this free tool:
Or open it in a new tab: Frequency Table Calculator and Histogram Generator
Visual Representation
Visual aids like histograms and bar charts help illustrate frequency distributions more effectively. Below are placeholders for such visuals:
