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ASQ Certified Six Sigma Black Belt (CSSBB) Exam

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A Black Belt wants to analyze the effect of a new training program (a categorical factor with two levels: 'New' and 'Old') on employee productivity (a continuous variable). However, they know that an employee's prior experience (a continuous variable, measured in months) also significantly impacts productivity. To isolate the effect of the training program while accounting for the influence of prior experience, which statistical technique is most appropriate?
Correct Answer:
Analysis of Covariance (ANCOVA)

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