|
A chemical company manufactures an organic solid that is used in certain dye make ups. The following data were collected from this process.
a. Construct charts for these data and comment on whether this process is in statistical control.
b. If appropriate, estimate the value of the short-term standard deviation (that is, the standard deviation captured within a sample). If appropriate, estimate the value of the long-term (process) standard deviation (that is, the within-sample plus between-sample standard deviation). |
| New search. (Also 1294 free access solutions) |