Σ rule

In mathematics there are two rules with the σ-rule as part of their name :

• k-σ-rule, see formula collection stochastics , for probabilities of surroundings of the expectation value in binomial distributions, k stands for a natural number
• μ-σ rule, see decision under uncertainty , decision rule, which also takes into account the risk attitude of the decision maker

This is a disambiguation page for differentiating between several terms identified with the same word.