How many years of data do you have available?

SPC is a widely used quality tool throughout many industries. ... By monitoring and controlling a process, we can assure that it operates at its fullest potential. ... data is individual values; Xbar – R chart: to be used if you are recording data in ... different control charts available for process monitoring and improvement.

its belong to which kind of data

spa data is more than 9 years

TS16949 recommanded for min 2 years

i have 2.5 years data available

I have 4 years of active database customers

As per TS16949, minimum 2 years of data required to have.

3 TO 4 Year of data retained

3 Years of SPC data is retained