统计与概率
即时、私密且免费
Frequency Distribution Calculator.
Calculate this statistic instantly with validated formulas.
输入数值
输入时结果会更新。
Use Cases
Summarize survey responses
Quickly see how many times each response option was chosen, helping you understand the distribution of answers.
Example: Enter 'Agree, Neutral, Disagree' to see counts for each category.
Analyze test scores
Determine how many students scored each possible score, which can highlight common performance levels.
Example: Enter '85, 90, 85, 78, 90' to see frequency of each score.
Frequently Asked Questions
- How do I enter data into the Frequency Distribution Calculator?
- Enter your data values separated by commas or spaces. For example, you can type '1, 2, 2, 3' or '1 2 2 3'. The calculator will parse the values and compute the frequency distribution.
- What does the frequency distribution show?
- It shows how often each distinct value appears in your dataset. The output typically includes each unique value, its frequency (count), relative frequency (proportion), and cumulative frequency (running total).
- Can I use decimal numbers or negative values?
- Yes, the calculator accepts any numeric values, including decimals and negatives. Just ensure they are separated by commas or spaces.
Tips & Common Mistakes
Tips
- Ensure values are separated by commas or spaces to avoid parsing errors.
- Use consistent formatting (e.g., all numbers or all text) for accurate grouping.
- Check for typos or extra spaces that might create unintended distinct values.
- For large datasets, consider using a spreadsheet first to clean your data.
Common Mistakes to Avoid
- Using both commas and spaces inconsistently, like '1,2 3', which may cause misreading.
- Including empty entries or trailing commas, which can create phantom values.
- Mixing data types (e.g., numbers and text) when you intend to treat them as categories.
Last updated: August 13, 2026