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IASSC Lean Six Sigma – Black Belt

Last Update 19 hours ago Total Questions : 300

The IASSC Lean Six Sigma – Black Belt content is now fully updated, with all current exam questions added 19 hours ago. Deciding to include ICBB practice exam questions in your study plan goes far beyond basic test preparation.

You'll find that our ICBB exam questions frequently feature detailed scenarios and practical problem-solving exercises that directly mirror industry challenges. Engaging with these ICBB sample sets allows you to effectively manage your time and pace yourself, giving you the ability to finish any IASSC Lean Six Sigma – Black Belt practice test comfortably within the allotted time.

Question # 41

Following the completion of a LSS project the Belt not only creates a Control Plan he also develops a _____________ so those involved in the process know what to do when the critical metrics move out of spec.

A.

Response Plan

B.

Call List

C.

Chain-of-Command

D.

Defect Analysis Plan

Question # 42

Which statement(s) are correct about the Regression shown here? (Note: There are 2 correct answers).

A.

The dependent variable is the outside temperature

B.

The relationship between outside temperature and number of customers per hour is a Linear Regression

C.

The dashed lines indicate with 95% confidence where all of the process data should fall between

D.

The dashed lines indicate with 95% confidence the estimate for the Quadratic Regression Line

E.

The predicted number of customers per hour is close to 5 if the outside temperature is 10 deg C

Question # 43

If a Six Sigma project was to reduce changeover times and the team found the project success was decreasing over time since changeover times began to creep back up, which Lean tools should be considered in the Control Phase to reestablish and sustain the project success?

A.

Improve the lighting to assure adequate visibility

B.

Confirm a Visual Factory exists to assure proper communication of status of machines

C.

Implement Kanbans to assure enough inventory for the process step

D.

Reword the standardized work instructions to use active verbs and not passive phrases

Question # 44

The Mann-Whitney test is a powerful test and is unique to situations from which of the choices listed? (Note: There are 2 correct answers).

A.

Testing the identity of two populations

B.

Focuses on equality of the Median of the two populations

C.

Less powerful than the traditional “t-test”

D.

More widely applicable than the traditional “t-test”

Question # 45

What aspects of Measurement Systems Analysis (MSA) studies are applicable when the process used to measure does not damage the part?

A.

Destructive variable gage R & R and Crossed Study

B.

Destructive variable gage R & R and Nested Study

C.

Nondestructive variable gage R & R and Crossed Study

D.

Nondestructive variable gage R & R and Nested Study

Question # 46

Questions that can be best answered by a Visual Factory include all of these except _____________________.

A.

Are downtime issues easily noted?

B.

Can extra inventory be seen easily?

C.

Are unneeded tools or supplies easily noted?

D.

Are setups optimized for lower scrap levels?

Question # 47

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

A.

Histograms

B.

SPC Charts

C.

NP Charts

D.

Pareto Charts

Question # 48

When the Inputs, X’s, for your process are Normally Distributed about the Mean, the Outputs, Y’s, will always be Normally Distributed.

A.

True

B.

False

Question # 49

If the production is for higher volume and monitoring and the Mean and variability is to be monitored for four machines producing product and the characteristic to be monitored is Variable Data, which SPC Chart is best to be selected?

A.

Xbar-R Chart

B.

Individual-MR Chart

C.

NP Chart

D.

CUSUM Chart

Question # 50

Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false that would be a(n) ________________________.

A.

Alpha Error

B.

Type I Error

C.

Type II Error

D.

Type III Error

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