Chi-square analysis

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Goodness of fit

      Is probability of a horse winning a race independent of starting position?

      Is there bias in the application of UVA's honor code? See Washington Post article

      Is the distribution of heads in 10 flips consistent with pure chance?

      Is the distribution of black jurors among grand juries consistent with random selection?

      Does MSPA have more first/only children than the general population?

      Were pre-election polls accurate and consistent in the 1992 presidential election?

Independence

      Does vitamin C reduce the probability of developing a cold?

      Is there a relationship between stock market crashes and currency crises?

      Is student smoking independent of parents smoking behavior?

      Do cell phones cause brain cancer? See JAMA article

      Is probability of conviction independent of acceptance of death penalty?

      Did the judge's jury panels exhibit systematic gender bias?

Multivariate

      Simpson's paradox: combining tables can lead to spurious correlation

      Combining the results from several elections to investigate voter fraud in Riverdale, MD

      Do landlords discriminate based on the accent of a caller? See JLSP article

      Were freshmen representatives and senators less likely to support Clinton on foreign policy?

      Fall 2000 UMCP graduate admissions by department, gender and race. See Science article