Description

A randomized experiment was performed on mice to determine whether two forms of iron are retained differently. If one type is retained especially well it may be more useful as a dietary supplement for humans.

Usage

Format

A data frame with 36 observations on the following 2 variables.

Iron

percentage of iron retained in each mouse

Supplement

factor variable with levels "Fe3" and "Fe4"

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Rice, J. (1987). Mathematical Statistics and Data Analysis, Wadsworth.

Examples