Hey everyone, welcome to this lecture, how to create a pie 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 to stat, control charts, attributes charts, P. I repeat, choose stat, control charts, attributes charts, P. in variables, enter number of defective transactions in several sizes, enter sample size. Click p 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 the P chart. Let's talk about its inference. Now, you will observe that unlike other control charts that you had studied, the upper and lower control limits of P chart do not form a straight line, they vary for each data point. As you will recall the sample size for p charts vary. Hence, the control limits also vary.

Sample 11 is outside the upper control limit, you should investigate what special causes may have influenced the out of control situation. That brings us to the end of this lecture. You will now go through an activity