# Lean Six Sigma 150 Practice Question Test with Answer Key

This is a lean six sigma practice test bundle which includes a 150 question test and an answer key with explanations for the right answers (where applicable). These questions will come handy for Black Belt and Green Belt seekers as they cover wide range of lean six sigma certification exam topics included in the ASQ, IASSC and other organizations' Black and Green belt Body of Knowledge (BOK). These tests will help you prepare for a lean six sigma certification exam and test your knowledge of BOK topics.

Sample questions from the test which will give you an idea about this test:

Sample question #1: Which value below is the Correlation Coefficient when Sxy = 15, Sx2 = 25, and Sy2 = 9?

a. 0.225

b. 1.000

c. 2.225

d. 0.150

Sample question #1: How is the Rolled Troughput Yield (RTY) for a process calculated?

a. The product of each process step yield in the process.

b. The sum of each process step yield in the process.

c. The square root of the product of each process step in the process.

d. The sum of each process step yield in the process minus 1.

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