Worked formula example
Standard Deviation Worked Examples
For the sample values 2, 4, 4, 4, 5, 5, 7, 9, the sample standard deviation is about 2.14. The example keeps the problem, given values, formula, substitution, and copyable result sentence together so the calculator page can be opened only when values or units change.
Worked examples
| Step | Value |
|---|---|
| Problem | Find sample standard deviation for a small set. |
| Given values | Values = 2, 4, 4, 4, 5, 5, 7, 9 |
| Formula | Sample standard deviation uses n - 1 in the denominator |
| Calculation | The sample standard deviation is about 2.14. |
| Copyable result sentence | For the sample values 2, 4, 4, 4, 5, 5, 7, 9, the sample standard deviation is about 2.14. |
Copyable result sentence
For the sample values 2, 4, 4, 4, 5, 5, 7, 9, the sample standard deviation is about 2.14.
Common mistakes
- Dropping units before the standard deviation worked examples substitution.
- Rounding the standard deviation worked examples calculation before the final step.
- Using a formula variant that does not match the known values for standard deviation worked examples.