To pre-process warranty datamain topic
To pre-process warranty data1 Choose Stat > Reliability/Survival > Warranty Analysis > Pre-Process Warranty Data.
2 In Shipment (sale) column, enter the column containing the number of units shipped in each time period.
3 In Return (failure) columns, enter the columns containing the number of failures or returns for the production lots in each time period.
4 If you like, use any of the available dialog box options, then click OK.