Covariance and Correlation Coefficient for Discrete Random Variables
Free SOA Exam P (Probability) lesson in Multivariate Random Variables. 14 min read, ~2,099 words.
Covariance:, positive means they move together. Correlation:, bounded. does NOT imply independence: only captures linear association. Variance of sum:. Independence implies zero covariance, but the converse fails for nonlinear dependence.
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- Content
- Example 1
- Example 2
- Example 3
- Common Mistakes
- Key Takeaways
- Exam Shortcuts
Learning objectives
- 3e
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