This page calculates either p-value or critical value for a Chi-square distribution. User can specify degrees of freedom.

This dataset comes from a study on pregnant rats. Forty rats were given 4 doses of a drug, and data on their fetuses were collected. Questions this study focused on refer to the relationship...

This dataset comes from a study on rats swimming in a T-shaped maze. Rats were given 4 doses of a drug, and their resulting pups swam the maze until they successfully escaped it 3 consecutive...

This dataset comes from a study of 90 rats given one of 3 doses of a drug. At sacrifice, data on body weight and the weights of various organs were collected. Questions from this study refer to...

This dataset comes from a study of rats given one of 4 doses of a drug. The resulting pups were tested for developmental signs. Questions from this study refer to the relationship between dosage...

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