TeethNormal {gpk}

Modeling indicators of dental health

Description

There are three widely accepted indicators of dental health. They are gingival score, bleeding (gums) score and plaque score. It is always of interest to check effect of toothpaste on these variables. To decide which methods of statistical analysis would be appropriate, it is relevant to test normality of these measurements.

Usage

data(TeethNormal)

Format

A data frame with 69 observations on the following 3 variables.

Gingival

Gingival score

Bleeding

Bleeding (of gums) score

Plaque

Plaque score

Details

Effective use of histogram, P-P plot, and goodness of fit may provide the answers.

Source

http://ces.iisc.ernet.in/hpg/nvjoshi/statspunedatabook/databook.html