Chi-by-eye

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    the practice of deciding between statistical models based on a plot, rather than a formal procedure. humorous, uncountable

    "They deem a fit acceptable if a graph of data and model "looks good." This approach is known as chi-by-eye. Luckily, its practitioners get what they deserve."

Example

More examples

"They deem a fit acceptable if a graph of data and model "looks good." This approach is known as chi-by-eye. Luckily, its practitioners get what they deserve."

Etymology

Alluding to the χ² test ("chi squared test") used to formally test a statistical hypothesis.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.