**Daily update | 06 November, 2022**

# StackExchange

#### The shortest confidence interval (in the sense of expectation) for two sample t test when variances are unknown and unequal

**Source:** stats**Views:** 124**Score:** 3**Tags:** confidence-interval t-test heteroscedasticity exact-test

#### Why are standard frequentist hypotheses so uninteresting?

**Source:** stats**Views:** 42**Score:** 3**Tags:** hypothesis-testing frequentist

#### Why does data visualization mostly use the Cartesian plane instead of the polar plane?

**Source:** stats**Views:** 151**Score:** 3**Tags:** data-visualization

#### What exactly does PCA show that I can't figure out otherwise?

**Source:** stats**Views:** 13**Score:** 1**Tags:** pca

#### Maximum weighted matching in Bipartite Graph

**Source:** cs**Views:** 18**Score:** 1**Tags:** graphs bipartite-matching