calculated, and the acceptance value is the deviation of the mean value from the target, which is a 100, plus the standard deviation scale with the test coefficients.
Then the three metrics are compared with their limits, so the acceptance value needs to be lower than 25, which is the target interval, the mean should not deviate more than 15 percent label claim, and the results are the limits on the standard deviation, which is scale with the test coefficients.
These test coefficients are listed here, and they vary with the sample size in order to ensure the type I error to be at about 5 percent at the limiting quality for all sample sizes. This means that the consumer protection is the same for all sample sizes by design but that the producer risk varies with sample size and is decreased when the sample size increases. This provides for the opportunity to select the test plan or a sample size that is appropriate for each product.
As Wally explained, these test coefficients were recently revised to address some concerns by the agency and that was to make sure that the 5 percent type I error rate was not exceeded when batch means went off the