IASSC ICBB-IASSC Exam Practice Test Instant Access

Question 1

Data that can be measured on a continuum and has meaningful decimal subdivisions are __________ data.

AContinuous

BSurplus

CDiscrete

DVariable

Answer : A

Question 2

Much of the Six Sigma methodology is used to identify and remove causes for _____________.

AProcess Variation

BMaterial Costs

CExcess Inventory

DLost Sales

Answer : A

Question 3

The Greek letter ''sigma'' is used by mathematicians to signify _____________.

ACurve Width

BNumerical Average

CStandard Deviation

DData Spread

Answer : C

Question 4

Which statements are correct about the advanced Capability Analysis shown here? (Note: There are 3 correct answers).

AThis is a Poisson Capability Analysis

BThe average DPU with 95% confidence is between 0.024 and 0.0295

CThe DPU does not seem to vary depending on sample size

DThe process shows only one instance of being out of control statistically so we have confidence in the estimated DPU of this process

EThe maximum DPU in one observation was nearly 0.0753

Answer : B, C, E

Question 5

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?

A1.68

B2.00

C4.00

D4.42

Answer : C

Question 6

When we compare short-term and long-term Capability which of these is true?

ACp is better for the short term

BBoth short-term and long-term performance is alike

CPerformance tends to improve over time

DCp is better for the long-term

Answer : A

Question 7

For Attribute Data, Process Capability is defined as the average proportion of nonconforming products.

ATrue

BFalse

Answer : A

IASSC ICBB IASSC Certified Lean Six Sigma Black Belt ICBB-IASSC Exam Practice Test