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Learning About the System
Statistical Summary Reports
Statistical summary reports present the month-to-date and lot-to-date mean,
standard deviation, coefficient of variation, and number of samples for each QC
file. You can print a statistical summary report for each current QC file using the
recall option. Refer to Recalling QC Data in Section 2.
At 0200 on the first day of the month, the system automatically prints a final
statistical summary report for each QC file. If you change the time of the Auto
Clean, the system prints the final statistical summary reports at that time on the
first day of the month. Review your QC files before the last day of the month to
ensure that the QC files are updated.
After you analyze the first QC sample of the current month, you cannot view or
print the previous month’s QC data on the system. You can archive the previous
month’s QC data and then print the statistical summary reports for the previous
month. Refer to Archiving QC Data and Viewing Archived QC Data in Section 5.
Archiving QC Data
Archiving QC data saves the previous month’s QC file results and statistics on a
diskette. You can use this diskette to retrieve historical QC data, which you can
view or use to print QC reports and statistical summary reports. You cannot edit or
restore data from an archive diskette.
Archiving can be done before or after you analyze the first QC sample of the
current month. When you analyze the first QC sample of the current month, a
message box reminds you to archive the previous month’s QC data.
After you analyze the first QC sample of the current month, you cannot view or
print the previous month’s QC data on the system. However, the previous month’s
QC data is retained on the hard disk until the end of the current month. You can
archive this data one or more times during the current month and then view or print
the archived data. At the end of the current month, the system permanently deletes
the previous month’s QC data.
In addition, you can view, edit, print, or transmit the previous month’s QC data
before you analyze the first QC sample of the current month. Refer to Recalling
QC Data in Section 2.