# The Sampling Tab

Select Sampling Technique from the drop down list – whether Sampling or 100% Inspection.

For Variable parameters:

If sampling option is selected, you must enter Sample Size and Sample Frequency.

If 100% inspection option is selected, you must enter Sample Size only. Sample Size can be 2, 3 or 4 only. Only if Pre- Control Chart option has been selected under the Charts tab then Sample Size is 1. You can enter Sample Size greater than 24 only if it is fully divisible by 5.

For Attributive parameters you must enter Subgroup Size only. If subgroup size is not fixed, you can enter 0 in this field.

Field ‘Display Cpk or Ppk value.’ added to know the system to calculate Cpk or Ppk based on the last sample numbers, if user enters 0 (zero) then system will calculate the Cpk or Ppk based on all sample. If user put the sample no 20 then system will calculate for last 20 samples.