A simple random sample is a subset of a statistical population where each member of the population is equally likely to be chosen.

For example, data scientist Colin Fraser posted screenshots showing GPT-5 getting a math proof wrong (whether 8.888 repeating is equal to 9 — it is of course, not).

Algorithmic trading provides a more systematic approach to active trading than one based on intuition or instinct. Learn how hedge funds use computer programs to trade.

For example, Copilot can now suggest appropriate locations for breakpoints and tracepoints based on current context.

A world literature class may be the first place that some students have encountered European works, let alone non-Western texts. The emphasis in this anthology, therefore, is on non-Western and ...

By the conclusion of the trans-Atlantic slave trade at the end of the 19th century, Europeans had enslaved and transported more than 12.5 million Africans.

The World Bank believes accelerating investments in people, also known as Investing in Human Capital is essential to achieving greater equity and economic growth. Check the definition of human capital ...

Each basic grammar reference page covers a key grammar point with all the explanations and examples you need to become a grammar champion.