Calculadora de Chi² y Prueba Exacta de Fisher
Lourdes M. Suárez Villasmil  ·  TheDataFixer  ·  2026

Calculadora de Chi² y Prueba Exacta de Fisher

Ingresa los valores observados de tu tabla de contingencia y obtén automáticamente el estadístico χ², la corrección de Monte Carlo y la prueba exacta de Fisher con su interpretación.

Tabla de contingencia
Referencias
  1. Pearson, K. (1900). On the criterion that a given system of deviations from the probable in the case of a correlated system of variables is such that it can be reasonably supposed to have arisen from random sampling. Philosophical Magazine, 50(302), 157–175.
  2. Fisher, R. A. (1922). On the interpretation of χ² from contingency tables, and the calculation of P. Journal of the Royal Statistical Society, 85(1), 87–94.
  3. Freeman, G. H., & Halton, J. H. (1951). Note on an exact treatment of contingency, goodness of fit and other problems of significance. Biometrika, 38, 141–149.
  4. Hope, A. C. A. (1968). A simplified Monte Carlo significance test procedure. Journal of the Royal Statistical Society Series B, 30(3), 582–598.
  5. Patefield, W. M. (1981). Algorithm AS 159: An efficient method of generating random r×c tables with given row and column totals. Applied Statistics, 30(1), 91–97.
  6. Mehta, C. R., & Patel, N. R. (1983). A network algorithm for performing Fisher's exact test in r×c contingency tables. Journal of the American Statistical Association, 78(382), 427–434.
  7. Agresti, A. (2007). An Introduction to Categorical Data Analysis (2nd ed.). Wiley.
  8. Cochran, W. G. (1952). The χ² test of goodness of fit. Annals of Mathematical Statistics, 23(3), 315–345.
Cita sugerida para este recurso
Suárez-Villasmil, L. (2026). Calculadora de Chi cuadrado y Prueba Exacta de Fisher. TheDataFixer. https://thedatafixer.github.io/Independency/