ex0125 {Sleuth3}

Zinc concentrations for two groups of rats

Description

The data are the zinc concentrations (in mg/ml) in the blood of rats that received a dietary supplement and rats that did not receive the supplement.

Usage

ex0125

Format

A data frame with 39 observations on the following 2 variables.

Group

a factor representing the group, with levels "A" for the dietary supplement group and "B" for the control group

Zinc

measured zinc concentration in mg/ml

Source

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

Examples

str(ex0125)