**Daily update | 24 April, 2022**

# StackExchange

#### Can you include interactions with the treatment variable as a covariate in linear regression?

**Source:** stats**Views:** 26**Score:** 3**Tags:** regression interaction

#### Suppose I have 100 integers and I sample 10 without repetition. What is the expected rank of the lowest out of 10 samples?

**Source:** stats**Views:** 29**Score:** 3**Tags:** probability mathematical-statistics expected-value ordinal-data order-statistics

#### Expected Fisher information isn't positive definite for truncated hierarchical model

**Source:** stats**Views:** 19**Score:** 2**Tags:** multilevel-analysis likelihood meta-analysis fisher-information

#### Should I include covariates with a non-linear relationship to the dependent variable in linear regression?

**Source:** stats**Views:** 38**Score:** 2**Tags:** regression

#### Exponential random variable X with a uniform random variable as its parameter

**Source:** stats**Views:** 32**Score:** 2**Tags:** probability random-variable conditional-expectation uniform-distribution exponential-distribution