octane {RSADBE}

Octane Rating Data set

Description

An experiment is conducted where the octane rating of gasoline blends can be obtained using two methods. Two samples are available for testing each type of blend, and Snee (1981) obtains 32 different blends over an appropriate spectrum of the target octane ratings.

Usage

data(octane)

Format

A data frame with 32 observations on the following 2 variables.

Method_1

Ratings under Method 1

Method_2

Ratings under Method 2

References

Vining, G.G., and Kowalski, S.M. (2011). Statistical Methods for Engineers, 3e. Brooks/Cole.

Examples

data(octane)
par(mfrow=c(1,2))
hist(octane$Method_1)
hist(octane$Method_2)
## maybe str(octane) ; plot(octane) ...