Question: R1.64: A lab supervisor determined that performing 5 quality control tests on product A instead of 6 lowers the confidence level that the batch is

R1.64: A lab supervisor determined that performing 5 quality control tests on product A instead of 6 lowers the confidence level that the batch is acceptable by a very small percentage. The elimination of the 6th QC test saves 20 minutes per lot release. What advice would you give to the lab supervisor?

A. More data is required. Leave the sixth test in place.

B. The economic factors outweigh the statistical significance. Eliminate the sixth test.

C. 6 QC tests are the minimum required for lot release.

D. Statistical significance is more important than economic factors. Leave the sixth test in place.

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