Lean Six Sigma Green Belt (GMC-LSS-GB)

Exercise:

Exercise objective:  To practice solving problem presented using the appropriate Hypothesis Test.

  • You are the shipping manager charged with improving shipping accuracy.  Your annual bonus depends on your ability to prove shipping accuracy is better than the target of 80%.
  • How many samples do you need to take if the anticipated sample proportion is 82%?
  • Out of 2000 shipments only 1680 were accurate.
    • Do you get your annual bonus?
    • Was the sample size good enough?