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Six Sigma Green Belt Exam Prep

Category - Six Sigma Green Belt

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Three samples (1, 2, 3) are compared using ANOVA. The null hypothesis is stated as:
  1. H0: µ1 = µ2 = µ3
  2. H0: µ1 = µ2
  3. H1: µ1 = µ2 = µ3
  4. H0: µ2 = µ3
Explanation
Answer: A - In ANOVA, the null hypothesis is stated as H0: µ1 = µ2 = µ3.

Key Takeaway: In ANOVA, the means of three samples are compared. The null hypothesis states that all population means are equal. Equal means indicate that there are no variations due to experimental factors.
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