ex0211: Lifetimes of Guinea Pigs

In Sleuth3: Data Sets from Ramsey and Schafer's "Statistical Sleuth (3rd Ed)"

Lifetimes of Guinea Pigs

Description

The data are survival times (in days) of guinea pigs that were randomly assigned either to a control group or to a treatment group that received a dose of tubercle bacilli.

Usage

ex0211

Format

A data frame with 122 observations on the following 2 variables.

Lifetime

survival time of guinea pig (in days)

Group

a factor with levels "Bacilli" and "Control", indicating the group to which the guinea pig was assigned

Source

Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

References

Doksum, K. (1974). Empirical Probability Plots and Statistical Inference for Nonlinear Models in the Two–sample Case, Annals of Statistics 2: 267–277.

Examples

str(ex0211)

Sleuth3 documentation built on May 29, 2024, 2:56 a.m.