**Daily update | 12 November, 2022**

# StackExchange

#### When to use Mean(X/Y) versus Mean(X)/Mean(Y)?

**Source:** stats**Views:** 505**Score:** 5**Tags:** mean expected-value

#### Why is the p-value defined the way it is (as opposed to a more intuitive measure)?

**Source:** stats**Views:** 298**Score:** 4**Tags:** hypothesis-testing p-value

#### Very simple Chi square question

**Source:** stats**Views:** 197**Score:** 3**Tags:** r chi-squared-test

#### To calculate covariance one doesn't need to subtract the mean of the second variable?

**Source:** stats**Views:** 33**Score:** 1**Tags:** covariance

#### Modified set cover to identify "orthogonal" partitions

**Source:** cs**Views:** 12**Score:** 1**Tags:** integer-programming set-cover