Practice Quiz

Lean Bronze

Category - Continuous Improvement

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The Analysis of Variance (ANOVA) is a statistical technique used to compare samples from populations to determine if they have the same mean. Which of the following cannot be done with ANOVA?
  1. Comparing two samples drawn from populations that have the same mean.
  2. Determining the process conforms to a normal distribution.
  3. Calculating the amount of common cause variation.
  4. Control process variance.
Explanation
Answer: D - Analysis of Variance (ANOVA) is statistical technique used to compare samples from populations to determine if they have the same mean. ANOVA cannot control a process; it is used to compare population means. It can determine if the process conforms to a normal distribution and calculate the amount of common cause variation.
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