CLSSGB Hypothesis Practice Questions
The free CLSSGB: Certified Lean Six Sigma Green Belt – GAQM questions that deal with hypothesis, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #2
It is a Type I error if we reject the Null Hypothesis when it is actually true.
Correct answer: A
Explanation
A Type I error, the alpha risk, is rejecting a Null Hypothesis that is in fact true; failing to reject a false Null is the Type II error.
Question #10
Hypothesis Testing can save time and help avoid high costs of experimental efforts by using existing data.
Correct answer: A
Explanation
Hypothesis tests draw conclusions from existing data, so differences can often be confirmed statistically without running costly, time-consuming experiments.
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