Description

This data comes from an observational study to contrast cholesterol levels in rural and urban Guatemalan Indians

Usage

Format

A data frame with 94 observations on the following 2 variables.

Cholesterol

Serum total cholesterol of individual (in mg/l)

Group

a factor with levels "Rural" and "Urban" indicating to which group the individual belongs

Source

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

References

Tejada, C., Charm, S., Guzman, M., Mendez, J. and Kurland, G. (1964). The Blood Viscosity of Various Socioeconomic Groups in Guatemala, American Journal of Clinical Nutrition: 303–308.

Examples