Hey everyone, welcome to this lecture, how to create an x bar s chart on Minitab. I have added this data on a spreadsheet and uploaded it in the resources section of this lecture. Please download the data and paste it to Minitab choose stat, control charts, variables chart for subgroups x bar s, I repeat to stat, control charts, variables chart for subgroups x bar s. Choose all observations for a chart are in one column and Interpol's three in subgroup sizes, enter nine, click x bar s chart options. Then click the tests tab. Choose performance All tests for special causes. Then click OK.
In each dialog box, here you go. This is the x bar chart. Let's talk about its influence. Now, you will observe that there are two charts, one is the sample mean. And the second is the sample standard deviation chart. The pulse rate means and standard deviations over the 10 day period fall within the control limits.
The pulse rate and its variation are in control for the nine patients on diet and exercise program. That brings us to the end of this lecture. You will now go through an activity