what is SPC, How we will calculate Cp and Cpk, Difference b/w sigma and Std dev, Which should be concentrate first whether Cp or Cpk

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Accepted Answer

SPC is Statistical Process Control used to monitor and control quality. Cp and Cpk measure process capability. Sigma is population standard deviation.

SPC is a statistical method used to monitor and control processes to ensure quality standards are met.
Cp and Cpk are indices used to measure process capability. Cp measures how well the process fits within the specification limits, while Cpk measures how centered the process is within the limits.
Sigma is the population standard deviation, which measures the variability of a population. Standard deviation is the sample estimate of sigma.
Cp should be concentrated on first to ensure the process is capable of meeting the specification limits before focusing on Cpk.

what is SPC, How we will calculate Cp and Cpk, Difference b/w sigma and Std dev, Which should be concentrate first whether Cp or Cpk

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