EngrExpt (version 0.1-6)

timetemp: Time to nominal temperature

Description

The time for a painted panel to reach a nominal temperature of -10 C versus the temperature in a freezer to prepare the panel. Two types of panels were used, original equipment manufacturer (OEM) panels and repair panels. The repair panels have an extra coat of paint.

References

Peter R. Nelson, Marie Coffin and Karen A. F. Copeland (2003), Introductory Statistics for Engineering Experimentation, Elsevier. (Appendix A)

Examples

str(timetemp)
xyplot(time ~ temp, timetemp, groups = type,
       type = c("g","p","r"), aspect = 'xy',
       ylab = "Time to reach -10C (min.)",
       xlab = "Temperature in freezer (degrees C)",
       auto.key = list(columns = 2, lines = TRUE))