Hey everyone, welcome to the activity solutions lecture. Please copy and paste the data on Minitab. Choose stat, control charts, variables charts for subgroups. x bar as I repeat to stat, control charts, variables charts for subgroups x bar s. Choose all observations for a chart or in one column. Enter filled volume in subgroup sizes, entertain. Click x bar s chart options.
Then click the tests tab. Choose perform all tests for special causes. Then, click OK in each dialog box, Here you go. This is your x bar s chart. As you can see, the process is absolutely in control.