Skewness Formula - Statistics
Learn the skewness formula with examples, step-by-step guide, and calculator tools. Measure the asymmetry of a probability distribution
The skewness formula is a fundamental concept in statistics. Measure the asymmetry of a probability distribution. This page provides a comprehensive guide with worked examples and practical applications.
The Formula
Variables
Step-by-Step Guide
- 1
Step 1: Gather your data values
- 2
Step 2: Apply the formula
- 3
Step 3: Perform the calculations
- 4
Step 4: Interpret the result
Examples
Example 1
Example 1: [1,2,3,4,10] → Positive skew indicates right tail
Example 2
Example 2: 1.86 (right skewed)
Frequently Asked Questions
What is the skewness formula?
Measure the asymmetry of a probability distribution
How do I calculate skewness formula?
Use the formula: \text{Skew} = \frac{n}{(n-1)(n-2)} \sum_{i=1}^{n} \left(\frac{x_i - \bar{x}}{\sigma}\right)^3. Follow the steps provided above.
What tools can help with skewness formula?
We provide online calculators: statistics-calculator