Free IASSC Lean Six Sigma - Black Belt Exam Braindumps
IASSC Lean Six Sigma - Black Belt Questions 51–55 (page: 12)

Updated On: 9-Feb-2026

The validity of the decision made with Hypothesis Testing is dependent upon all of these except
________________.

  1. Beta risk
  2. Alpha risk
  3. Range of data
  4. Sample size

Answer(s): C



To be an effective Lean Six Sigma practitioner one must understand the difference between
______________.

  1. ANOVA and the Analysis of Variance
  2. Nonparametric tests and tests of Non-normal Data
  3. F-test and test of variances of 2 samples
  4. Practical and Statistical significance

Answer(s): D



A Belt is analyzing data and upon creation of the graphical analysis sees multiple modes. One of the primary reasons this could occur is because the process has experienced a________________.

  1. Significant change from one shift to another
  2. Sizable Measurement System error
  3. Catastrophic failure of some sort
  4. Any one of these

Answer(s): D



From the variance F-test shown above, which of these conclusions is/are valid?

  1. The variance between the class score distribution is significantly different
  2. The variance between the class score distribution is not significantly different
  3. This test applies only to Normal Distributed data at 99 % confidence
  4. This test applies only to Non-normal Data at 99 % confidence
  5. There are not enough data points to make any statistical conclusions

Answer(s): A



Time is always the metric on the horizontal scale of a(n) Chart____________________.

  1. Pareto
  2. Xbar
  3. Multi-Vari
  4. NP

Answer(s): C



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