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Six Sigma Green Belt Exam Prep

Category - Six Sigma Green Belt

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A hotel manager wishes to compare packaged deals to frequent guests. Specifically, he is interested in whether those who receive business deals stay longer than those who receive personal deals. What statistical test is most appropriate to compare the two deals?
  1. t-test
  2. f-test
  3. chi-square test
  4. m-test
Explanation
Answer: B - An F test is the most appropriate statistical test to compare the two deals.
Key Takeaway: An Analysis of Variance (ANOVA) provides a comparison of the means between 2 or more groups. ANOVA’s F test looks at the variation within groups and between groups and examines whether there is a statistically significant difference between the means of the groups.
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