Data for the bolts example

A data frame with 50 observations of the diameter of the bolts manufactured in a production line.

data(ss.data.bolts)

Format

A data frame with 50 observations on the following variable.

diameter

a numeric vector with the diameter of the bolts

Source

See references.

Note

This data set is used in chapter 4 of the book ``Six Sigma with R'' (see References).

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/.

See also

ss.lfa

Examples

data(ss.data.bolts)
summary(ss.data.bolts)
#>     diameter     
#>  Min.   : 9.671  
#>  1st Qu.: 9.899  
#>  Median :10.041  
#>  Mean   :10.031  
#>  3rd Qu.:10.146  
#>  Max.   :10.404  
hist(ss.data.bolts$diameter)