To display process data stratified into levels of a classification variable, specify the name of this variable after an equal sign (=) immediately following the subgroup-variable in the chart ...

The TREND option in the TABLES statement requests the Cochran-Armitage test for trend, which tests for trend in binomial proportions across levels of a single factor or covariate. This test is ...

Learn how to calculate the variable cost ratio to balance production costs and revenues. Understand its role in optimizing profit margins and business decision-making.

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