## Test your basic knowledge |

# Black Belt Six Sigma

**Instructions:**

- Answer 15 questions in 15 minutes.
- If you are not ready to take this test, you can study here.
- Match each statement with the correct term.
- Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

**1. Degrees of freedom**

**2. The risk of accepting the null hypothesis when - in fact - the alternate hypothesis is true. In other words - stating no difference exists when there is an actual difference. A statistical test should be capable of detecting differences that are impo**

**3. A specific repeated-measures design with built-in counterbalancing - cannot be used when estimations of interactions are desired**

**4. System(concept) design - then parameter design - then tolerance design**

**5. Determines how much area under a distribution is in the critical region - type 1 risk**

**6. A square matrix of n rows and columns - a technique to control for order effects without having all possible orders; a limited set of orders constructed to ensure that each condition appears at each ordinal position and each condition precedes and fo**

**7. Scale that uses numbers (5 strongly agree - 4 agree...) - focuses on measuring the direction of an attitude**

**8. Upper control limit**

**9. They are not fractional factorial and they are main effects only**

**10. Evolutionary Operations**

**11. A quality improvement tool. Understand effects of process on output.**

**12. The probability that a single unit can pass through a series of process steps free of defects.**

**13. Confused experiment or confounded**

**14. Exponentially weighted moving average**

**15. Cumulative Sum**