ICBB Practice Exam Questions with Answers IASSC Lean Six Sigma - Black Belt Certification

Fractional Factorial designs are used to reduce the time and cost of experiments because the ____________ has been lowered.

Relative to a Design of Experiments the term ________________ refers to variables being a linear combination of each other.

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?

A Belt has determined that the inventory of repair parts at a rework station can be reduced by 45%. According to Cost of Poor Quality (COPQ) definitions inventory reduction would be considered _______________.

A valid Multiple Linear Regression (MLR) is characterized by all of these except _______________________.

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

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?

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

In a good Measurement System the most variation will be with part-to-part measurements. What should you do if the majority of variation is associated with the Gage R&R assuming the gage is technically capable?

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

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

Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using which of these?

All the data points that represent the total set of information of interest is called the ________________ .

Which one of these tools is frequently used to help drill down to possible causes once a Fishbone Diagram is constructed?

It would be more likely than not for a Belt conducting a Regression Analysis to find that the _______________________.

Which statement(s) are correct about the DOE Factorial plot output here? (Note: There are 3 correct answers).

If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement is incorrect?

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

Kanban establishes a means of monitoring production, conveyance and delivery information such that efficient flow is established. The method used by Kanban is to require a _________ before anything moves.

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. The statistical Degrees of Freedom for this example are?

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.

Kanban establishes a means of monitoring production, conveyance and delivery information such that efficient flow is established. The method used by Kanban is to require a _________ before anything moves.

Kaizens or Kaikakus and Six Sigma projects are intended to create breakthrough, significant process improvement versus minor, incremental improvements.

Accuracy can be assessed in several ways and a fairly accurate means of measurement is visual comparison.

Handling of warranty returns, process improvement team meetings and rework to meet customer expectations are all examples of business costs that are classified as ________________ .

A Personal Trainer was assessing her workout class participants for their body fat content and had to include data for her analysis. One of the columns listed the range of weight of the people included in the studies. This required plotting a Histogram of the weight of the people assessed for their body fat content. While drawing the Histogram the x-axis contained a certain scale of data. Pick the scale of data that is appropriate for Histograms.

A Belt rearranged the location of the parts inventory for a rework station locating the most often used parts to be within hand reach of the repair person. This rearrangement resulted in quicker repair times by eliminating one of seven major elements of waste which is the Waste of __________.

Fractional Factorial Designs are used to analyze factors to model the output as a function of inputs if Hypothesis Testing in the Analyze Phase was inadequate to sufficiently narrow the factors that significantly impact the output(s).

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

Fractional Factorial, ____________and Response Surface Method are types of planned experiments.

Which of these items contribute to what is necessary for successful Kaizen events?

The English words used for the 5S’s are __________ , _____________ , Shining, Standardizing and Sustaining. (Note: There are 2 correct answers).

The English words used for the 5S’s are Sorting, Straightening, _____________ , __________ and Sustaining. (Note: There are 2 correct answers).

Which of these might contribute to similar distributions having Unequal Variance?

The two types of data that can be used in Statistical Analysis are Attribute and Variable.

The Waste of Overproduction is defined as ______________________.

What conclusion is most correct about the Experimental Design shown here with the response in the far right column?

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

Customers make their decisions based on Features, Integrity (of the seller) Delivery and ___________?

The relationship between a response variable and one or more independent variables is investigated and modeled by use of __________________.