One Numerical Variable Methods

  • 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 the relationship between dosage and body and organ weight. A text file version of the data is found in the relation link.
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  • 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 and developmental response. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of diabetic patients randomly assigned to a two-period crossover design. Patients were given 1 of 2 drug sequences (EN, NE) in each period and blood pressure was recorded. Questions from this study refer to the ability of the drugs to lower blood pressure. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 8 healthy patients randomly assigned to a two-period crossover design. Patients were given 1 of 2 drug sequences and data on blood plasma levels wer recorded. Questions from this study refer how the drugs affect plasma levels. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 48 hypertensive patients given one of 3 doses of one drug and one dose of another drug. Questions from this study refer to associations and relationships between the drugs. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 16 healthy subjects randomly assigned to one of two treatment sequences in a two period crossover design. Treatments were from two different drug companies. Questions from this study refer to the similarities of the two treatments. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 100 female mice treated with one of 3 doses of a drug, and then impregnated by untreated males. The fetuses were examined for skeletal malformations. Questions from this study refer to the relationship between affected fetuses and dosage. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 100 mice assigned randomly to one of five treatment groups of graded dosages of a drug. They were also given an injection of another drug, and sleeping times were recorded for each mouse. Questions from this study refer to the relationship between sleeping times and dosage. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of rodents treated with one of 5 or 6 doses of a drug. The proportion of animals that died were recorded. Questions from this study refer to estimating the lethal dosage. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 10 mice treated with one of 3 doses of a drug. Bone marrow cells were examined and the number of sister chromatid exchanges was recorded for each mouse. Questions from this study refer to the relationship between dosage and chromatid exchange. A text file version of the data is found in the relation link.
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