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Recurrence formulae for the density function and the probability integral of the multiple correlation coefficient from a normal sample are obtained. When the number of independent variates is odd ...

Variables-sampling plans are more efficient than attributes-sampling plans. If the quality characteristic is the life of a product, however, variables sampling can be very time consuming and expensive ...

In Uniformity of Dosage Units (UDU) test, the single limit for acceptance value (AV) of not more than (NMT) 15 cannot discriminate between the conforming and nonconforming lots of products. Because ...