Free Six Sigma Black Belt CSSBB Exam Practice Test

A Non-parametric Test should be used if just one distribution is not Normal out of the two or more gathered.

• True
• False

What is the Ppk of a process with a spread of 24 units, an average of 68, an upper limit of 82 and a lower limit of 54?

• 1.68
• 2.00
• 4.00
• 4.42

Production Line 1 is able to complete 500 units per shift. Production Line 2 is able to finish 1,500 units per shift. Production Line 2 is 3 times faster than Production Line 1. This analysis is an example of ______________ Scale Data.

• Nominal
• Ratio
• Ordinal
• Interval

The primary objective in removal of waste is to improve the Order Production Cycle where the time from _________________ to the time of receipt of payment is compressed.

• Shift start
• Product development
• Receipt of an order
• New fiscal year

An example of the waste of mismanaged Inventory is __________.

• Capital costs of money
• Value decrease from aged inventory
• Cost of storage space
• All of these answers are correct

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

• Beta risk
• Alpha risk
• Range of data
• Sample size

Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperature exceeds 60o F. From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements?

• F Test
• Test for Equal Variance
• Chi Square Test
• One-Sample t-Test
• From a sample, whose population is assumed to follow a Normal Distribution, taken for 30 days at 60 degrees or more an average of 13.6 pots per day were sold with a Standard Deviation of 0.7 pots. For the sales accomplished above, what test would validate if they met their requirements? A. F Test B. Test for Equal Variance C. Chi Square Test D. One-Sample t-Test

A statistical test or Hypothesis Test is performed to reject or fail to reject a stated hypothesis and it converts the Practical Problem into a Statistical Problem.

• True
• False

The method of Steepest Ascent guides you toward a target inside the original inference space.

• True
• False

Appropriate measures means that measurements are ______________.

• Representative
• Sufficient
• Contextual
• Relevant
• All of these answers are correct