ex1612 {Sleuth2}

Wastewater

Description

Samples of effluent were divided and sent to two laboratories for testing. Data are measurements of biochemical oxygen demand and suspended solid measurements obtained for 2 sample splits from the two laboratories.

Usage

ex1612

Format

A data frame with 11 observations on the following 4 variables.

ComBOD

biochemical oxygen demand measurements from commercial laboratory

ComSS

suspended solids measurements from commercial laboratory

StaBOD

biochemical oxygen demand measurements from state laboratory

StaSS

suspended solids measurements from state laboratory

Source

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

References

Johnson, R.A. and Wichern, D.W. (1988). Applied Multivariate Statistical Analysis, Prentice-Hall.

Examples

str(ex1612)