ICBB Sample Questions Answers

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

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

The Normal Distribution is considered to be the most important distribution in statistics and, among other things is defined as having a total area under the curve of 1, is mounded and symmetrical and the Mean, Median and Mode are _____________.

A fundamental rule is that both Standard Deviation and Variance can be added.

For the data set shown here which of these statements is/are true?

When a Belt creates a Process Map she will use a __________________ to depict a decision point requiring a Yes or No decision.

As a means of measuring the effects on other areas of a process as a result of changes in the primary metric we also define and track ________________.

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?

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.

The Lean toolbox includes all of the following items except __________.

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

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.

To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.

If you can Poka-Yoke a defect out of the process entirely then you do not need use SPC on the characteristic of interest in the defect.

For her injection molding project a Belt needed to track the percentage of defectives of a particular sample set so she used a ___________ to display the data?

The Japanese born function of a Kanban event utilizes a specific, step-by-step approach meant to bring about major changes to a process.

The most appropriate type of FMEA for a product before going into manufacturing is a ___________ FMEA.

Cost of Poor Quality (COPQ) can be classified as Visible Costs and Hidden Costs. All these items are Hidden Cost except __________________.

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

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

On a _________________ one can see a pattern from the graphed points such that conclusions can be drawn about the largest family of Variation.

A(n) ______________ is best used to compare a Machine 1 average quality characteristic to the same quality characteristic of Machine 2.

Two of the key deliverables for the Measure Phase are a robust description of the process and its flow and an assessment of the Management System.

Which of these is not a primary cause for Non-normal Data?

Time is always the metric on the horizontal scale of a(n) ___________ Chart.

If the results from a Hypothesis Test are located in the "Region of Doubt" area, what can be concluded?

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?

A natural logarithmic base is not required for which of these distributions for probability calculations?

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

Common and ______________ Cause Variation are the focus of Statistical Process Control.

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.

At the very initiation of a project a Belt must develop a concise _______________ that states at a high level the area of concern and why it is important this issue be improved.

Which Experimental Design typically is most associated with the fewest number of input variables or factors in the design?

An ANOVA used across many dependent variables could increase the Beta risk.

Which statement(s) are correct about the Pareto Chart shown here for the DOE analysis? (Note: There are 2 correct answers).

Which statement is NOT correct about the Fitted Line Plot shown here?

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

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

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. Select the answer that best states the Practical Problem.

A ___________ is used primarily to track the stability of the average value of a metric of interest.

A ___________ is used primarily to track the stability of the average value of a metric of interest.

Early in a project a Belt will want to begin to identify and evaluate risk factors for the subject process and will therefore begin building a(n) ________.

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 $3,800 in order to stay within budget. Using a sample of 38 first article components, a Mean of the new product upgrade price of $3,680, and a Standard Deviation of $120 was estimated. In order to increase the Long Term Z value to 5, what is the maximum long term variation in pricing the Belt can accept for his upgraded critical raw material component?

Which statement is NOT correct about the Fitted Line Plot shown here?

Sally bought a blender from her local appliance store. When she changed blades the blender would not function. For the manufacturer this would be categorized as what type of cost?

To be an effective Lean Six Sigma practitioner one must understand the difference between ___________________________.

A ___________ problem in the Measurement System suggests that there is a lack of consistency in the measurement over time.

The calculation of Column Total times Row Total divided by Grand Total yields expected values from what type of chart?

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) ________________________.

If a Six Sigma project was to reduce repair station inventory and the team found the inventory was creeping up over time which Lean tools should be considered in the Control Phase to reestablish and sustain the project success?

A valid mathematical Regression represents all of the characteristics shown except ___________________________.

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

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

SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).

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.

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

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) _______________.

The Lean toolbox includes all of these items except ________________.

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

If a process has subgroups for Variable data and the process runs for a long period of time, then the best pair of SPC Charts to use would be an Xbar and _________.

Which statements are correct about the advanced Capability Analysis shown here?

(Note: There are 3 correct answers).

For the data shown here which statement(s) are true? (Note: There are 2 correct answers).

Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using one or more of these. (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 Control Limits width varies if the sample size varies for which type of chart?

The validity of the decision made with Hypothesis Testing is dependent upon all of the following except ______________________.

Common and Special Cause ______________ are the focus of Statistical Process Control.

In a Fishbone Diagram the 6M’s stand for Methods, Measurements, Machine, Man, Mother Nature and ____________ .

A valid mathematical Regression represents all of the characteristics shown except _________________.

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

Those people who have a interest in the outputs of a process are known as _____________________.

Which of these are examples of business metrics or Key Performance Indicators commonly referred to as KPI’s?

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

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

Some of the sources for different types of error that can be quantified using Statistical Analysis are which of these?

Which of these graphical presentations displays the values of each individual reading?

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

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.

When doing Hypothesis Testing on Non-normal data Belts will use a ________________ to compare more than two sample proportions to each other.

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

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

Which of the items listed do not define what an X-Y Diagram is?

A Full Factorial experiment using a 2 level 4 factor approach has been proposed to test the viability of an extrusion machine experiment. How many treatment combinations will this approach involve?

How many experimental runs exist in a Full Factorial and fully randomized design for 5 factors with 2 replicates for the Corner Points and no Center Points? The factors in the experiment are only at 2-levels.

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 Process Map is created in order that a Belt can __________________.

The class score distribution of schools in a metropolitan area is shown here along with an analysis output. Comment on the statistical significance between the Means of the two distributions. Select the most appropriate statement.