![]() Center Line (CL)-P bar: – Total Defectives/ Total sample Inspected As we know that we have to calculate the 3 important things, Center line, upper control limit & lower control limit. Dateīy the help of the above data we are going to calculate and plot the P chart. P chart example & Calculation for constant sample size:Ī manufacturing unit producing the auto part product, a process quality engineer would like to monitor the process control, so he started to collect the data for 30 days and daily inspected 250 products & recorded the defectives or nonconforming part (Defects-blow hole, shrinkage, pinhole, etc.). Center line, Upper control limit, & lower control limit. ![]() Is the interest in nonconforming units or one defect per unit?-įor plotting the P chart in excel we have to calculate the three important things i.e. Note for both the case, if sample size is constant or if not, in this scenario you can select p chart. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |