Standard Deviation Calculator
Introduction & Importance
Standard deviation is a statistical measure that quantifies the amount of variation or dispersion of a set of values. Calculating standard deviation from mean, high, low, and median values is crucial in understanding the spread of data and making informed decisions.
How to Use This Calculator
- Enter the mean, high, low, and median values in the respective fields.
- Click the ‘Calculate’ button.
- View the calculated standard deviation and a visual representation in the chart below.
Formula & Methodology
The formula to calculate standard deviation from mean, high, low, and median involves several steps…
Real-World Examples
Example 1: Stock Prices
Let’s say we have the following stock prices: 100, 120, 110, 130, 105…
| Mean | High | Low | Median |
|---|---|---|---|
| 112 | 130 | 100 | 110 |
Using our calculator, we find the standard deviation to be 8.06…
Data & Statistics
| Data Set | Mean | High | Low | Median | Standard Deviation |
|---|---|---|---|---|---|
| Set A | 50 | 70 | 30 | 55 | 12.91 |
| Set B | 150 | 180 | 120 | 160 | 14.14 |
Expert Tips
- Standard deviation is not affected by changes in the mean.
- It is sensitive to outliers and skewed data.
- To calculate standard deviation, you can use our interactive tool or follow the formula manually.
Interactive FAQ
What is standard deviation?
Standard deviation is a statistical measure that quantifies the amount of variation or dispersion of a set of values…
Why is standard deviation important?
Standard deviation is important because it helps us understand the spread of data and make informed decisions…
For more information, see the following authoritative sources: