GAQM CLSSBB-001 CLSSBB Exam Practice Test Instant Access

Question 1

A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt's effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. The Alternative Hypothesis in the above example is?

AThe Standard Deviation is equal to $300.

BThe Mean is less than $4,320.

CThe Mean is equal to $4,060.

DThe Mean is less than $4,200.

EThe Mean is greater than $ 4,200.

Answer : E

Question 2

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 3

The two types of data that are to be used in Statistical Analysis are Attribute and Variance.

ATrue

BFalse

Answer : B

Question 4

If in an experiment all possible variable pairs sum to zero the design is Orthogonal.

ATrue

BFalse

Answer : A

Question 5

Range Charts are the technique used to determine if Special Causes are occurring within the subgroups of the ______________.

AHistograms

BSPC Charts

CNP Charts

DPareto Charts

Answer : B

Question 6

Choose those characteristics of a Simple Linear Regression (SLR) Analysis that are applicable. (Note: There are 3 correct answers).

AThe Correlation Coefficient is always greater than the Regression Coefficient in a SLR

BGeneral Regression Analysis deals only with Continuous Data

CNon-linear Regressions can explain curvature when with more statistical confidence than Linear Regressions

DSLR can help quantify the significance of variation in X that influences the variation in Y via a mathematical equation

EA Correlation does not explain causation but a Regression Analysis with a statistically valid mathematical equation does explain causation

Answer : A, D, E

Question 7

Use this data to calculate the Z score. Average oF. 65, Standard Deviation: 3, Upper Spec Limit:

A0.27

B1.5

C2.33

D4.12

Answer : C

GAQM Certified Lean Six Sigma Black Belt (CLSSBB) CLSSBB-001 CLSSBB Exam Practice Test