One may wish to take this known or expected change in average into account when setting up a control chart. The following data are measurements on parts from a machine where it is known that there is...

One may wish to take this known or expected change in average into account when setting up a control chart. The following data are measurements on parts from a machine where it is known that there is rapid tool wear. The specified dimensions for the part are 64.4 ± 0.30 mm. The subgroup sample size is 5.