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Six Sigma Green Belt Exam Prep

Category - Six Sigma Green Belt

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Sam’s research at a local manufacturing company is examining the efficiency of a new machine in detecting design failures. To present evidence to his supervisors that the machine is indeed effective, he must accept or reject the null hypothesis. According to the image below, what does the region of non-rejection imply?
  1. accept the alternate hypothesis
  2. reject the null hypothesis
  3. accept the null hypothesis
  4. reject the alternate
Explanation
Answer: C - The region of non-rejection in a distribution leads to the acceptance of the null hypothesis.
Key Takeaway: According to Sam’s research, the null hypothesis will state that the new machine does not detect design failures. If his data analysis falls within the region of non-rejection as shown above, then his research conclusion is to accept the null hypothesis.
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