Data Collection

Dataset Example: Sexual Activity and the Lifespan of Male Fruitflies: A Dataset That Gets Attention

This article presents a dataset from an experiment designed to test if increased reproduction reduces longevity for male fruitflies. The data are in .dat format. Key Words: Analysis of variance; Contrasts; Experimental design; Regression; Precision; Statistical interaction; Survival analysis.

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Dataset Example: Investigating Home Court Advantage

This article presents data from 1997 Big Ten Conference men's basketball games involving the University of Iowa Hawkeyes. The data can be used to demonstrate bivariate statistical inference techniques such as confidence regions, paired comparisons, and simultaneous confidence intervals. Key Word: Bivariate data; Scatterplot.

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Dataset Example: Trying To Be Random in Selecting Numbers for Lotto

This article presents data for examining the ability of individuals to choose numbers randomly. Three datasets of six-tuples selected by a lottery game, generated by S-Plus, and chosen by college students can be compared using descriptive statistics and goodness of fit tests to explore bias and randomness. Key Words: Boxplots; Chi-squared tests; Minimum gap; QQ plots.

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Data Management, EDA, and Regression Analysis with 1969-2000 Major League Baseball Attendance

This article describes a dataset containing Major League Baseball data from seasons 1969 through 2000 and illustrates how this data can be used as a course long project covering basic data management, the use of exploratory data analysis to "clean" data, and construction of regression models. The data is in .dat format.

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Dataset Example: What's Normal? -- Temperature, Gender, and Heart Rate

This article describes a dataset on body temperature, gender, and heart rate. It addresses concepts like true means, confidence intervals, t-statistics, t-tests, the normal distribution, and regression.

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An Oral Contraceptive Drug Interaction Study

This article describes data from a drug interaction study of a new drug and a standard oral contraceptive therapy. Both normal theory and distribution-free statistical analyses are provided along with a notable amount of graphical insight into the dataset.

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Dataset Example: Readability of Educational Materials for Patients with Cancer

This article describes a dataset on the readability of booklets about cancer and the reading levels of patients with cancer. Students should be familiar with scales of measurement, data reduction, measuring center, constructing and interpreting displays, and reaching conclusions in real problems. Key Words: Ordinal data, Means, Medians, Histograms

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Getting What You Pay For: The Debate Over Equity in Public School Expenditures

This article addresses a dataset on public school expenditures and SAT performance. Key Words: Multiple regression; Omitted variable bias; Partial correlation; Scatterplot.

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Dataset Example: Televisions, Physicians, and Life Expectancy

This article describes a dataset on life expectancies, densities of people per television set, and densities of people per physician in various countries of the world. The example addresses correlation versus causation and data transformations. Key Word: Prediction.

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Conditional Probability and Probability of Simultaneous Events

This site provides applets, lessons, and objectives for learning about conditional probability. The applet activity introduces multiple-outcomes events and computing probabilities.

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Data Collection

Dataset Example: Sexual Activity and the Lifespan of Male Fruitflies: A Dataset That Gets Attention

Dataset Example: Investigating Home Court Advantage

Dataset Example: Trying To Be Random in Selecting Numbers for Lotto

Data Management, EDA, and Regression Analysis with 1969-2000 Major League Baseball Attendance

Dataset Example: What's Normal? -- Temperature, Gender, and Heart Rate

An Oral Contraceptive Drug Interaction Study

Dataset Example: Readability of Educational Materials for Patients with Cancer

Getting What You Pay For: The Debate Over Equity in Public School Expenditures

Dataset Example: Televisions, Physicians, and Life Expectancy

Conditional Probability and Probability of Simultaneous Events

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