Hey everyone, welcome to the activity solution lecture. Please copy and paste the data on Minitab to stat, control charts, variables chart for subgroups. x bar, I repeat, to stat, control charts, variables chart for subgroups x bar. Choose all observations for a chart or in one column and enter average handle time or HD in seconds. In subgroup sizes, enter five. Click x bar our chart options.

Then click the tests tab. Choose perform all tests for special causes. Then, click OK in each day, lock box. Here you go. This is your x bar chart. As you can see, the process is absolutely in control.