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  • This collection of datasets from Harvard University covers many ecological topics from insects to hurricanes. Each dataset's description includes the name of the investigator, dates of collection, location, abstract, and method of collection. The metadata file for each dataset provides descriptions of the variables. Please read the terms of agreement before use.
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  • This page contains applets and data files that supplement the text "Investigating Statistical Concepts, Applications, And Methods." The applets and files are organized according to chapter; each data file is available in Minitab or text format.
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  • The datasets in this collection are in text format, but are also compatible with Arc software from "Regression Graphics." Each set has a title, description, and data table. The software is available in the relation link below.
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  • This collection of datasets covers many application areas, but are all for time series analysis. The data are in text format.
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  • This collection of datasets was compiled by the Biostatistics Department at Vanderbilt University. They come in R, S, Excel, and ASCII formats. Each also has a description in html format.
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  • This dataset comes from a study of 16 healthy subjects allocated to 1 of 4 doses of a drug. Blood samples were taken and plasma levels were recorded. Questions from this study refer to the relationship between plasma level and dose. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 24 healthy subjects allocated to 1 of 4 doses of a drug. Blood samples were taken and plasma levels were recorded. Questions from this study refer to the relationship between plasma level and dose. A text file version of the data is found in the relation link.
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  • This dataset comes from a study of 14 healthy subjects given one dose of a drug for seven days. Blood samples were taken before and after treatment, and plasma levels were recorded. Questions from this study refer to the increase in plasma level after treatment. A text file version of the data is found in the relation link.
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  • This dataset comes from two studies, one of 16 healthy young subjects and another of 14 healthy elderly subjects, each given a drug in two treatment periods. Blood samples were taken, and plasma levels were recorded. Questions from this study refer to whether age or gender affects plasma level. A text file version of the data is found in the relation link.
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  • This resource explains the t-distribution and hypothesis testing (informally) using an example on laptop quality.
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