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what is sigma Informational
- Different spatial arrangements of atoms How does the presence of a double or triple bond (involving pi bonds in addition to sigma) restrict rotation?
- Credible intervals What is the relationship between sigma (σ) and precision in statistical estimation?
- Long-term loading considerations What is fracture toughness (often K with subscripts, related to sigma at crack tip)?
- Risk-Adjusted Returns What is the Sharpe ratio, and how does it incorporate sigma (σ)?
- Force per unit length or energy per unit area
- Quantifying the spread of quantum observables How is sigma (σ) used in general relativity (e.g., related to the variance of gravitational wave signals)?
- Basis for risk analysis and contingency planning What is Program Evaluation and Review Technique (PERT), and how does it use three estimates (optimistic, most likely, pessimistic) to estimate sigma of task durations?
- Probability of detecting a true effect
- Dispersion
- Control limits based on moving range and estimated sigma
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