**Daily update | 21 August, 2022**

# StackExchange

#### On the derivation of confidence intervals for hypothesis testing

**Source:** stats**Views:** 117**Score:** 4**Tags:** hypothesis-testing confidence-interval

#### What is the distribution of the sum of differences of i.i.d. variables?

**Source:** stats**Views:** 25**Score:** 3**Tags:** distributions random-variable binomial-distribution independence

#### Name for incrementally calculating a mean

**Source:** stats**Views:** 23**Score:** 3**Tags:** mean sample-size online-algorithms

#### Percentile of the arithmetic mean of a lognormal distribution

**Source:** stats**Views:** 46**Score:** 3**Tags:** mean quantiles lognormal-distribution

#### How to deal with non-proportional risk?

**Source:** stats**Views:** 11**Score:** 2**Tags:** survival cox-model proportional-hazards