Humidity of 20 groups of size 5 of raw materials to make particle boards. For the mean and range control chart.
Usage
data(ss.data.pb2)
Arguments
Format
A data frame with 100 observations on the following 2 variables.
pb.group
a numeric vector
pb.humidity
a numeric vector
References
Cano, Emilio L., Moguerza, Javier M. and Redchuk, Andrés. 2012.
Six Sigma with R. Statistical Engineering for Process
Improvement, Use R!, vol. 36. Springer, New York.
https://link.springer.com/book/10.1007/978-1-4614-3652-2.