CSSBB Exam Questions

This table displays the inventory of fasteners in a storage cabinet. A bolt is selected at random from the fastener cabinet. Find the approximate probability it is size 7/8.

This table displays the inventory of fasteners in a storage cabinet. An item is selected at random from the fastener cabinet. Find the approximate probability it is a 1/2 inch bolt...

A medicine with efficacy of .52 is given to five patients. Find the approximate probability that at least one of the patients is cured. (Hint: Use the binomial formula.)

A sample of size 50 from machine A has a mean of 18.2 and standard deviation 3.1. A sample of size 40 from machine B has mean 17.6 and standard deviation 2.8. Do these data indicat...

In problem 1, do the data indicate that the population for machine A has a larger standard deviation?

This table displays the inventory of fasteners in a storage cabinet. An item is selected at random from the fastener cabinet. Find the approximate probability it is larger than 1/2...

The average weight of castings produced at the Nebraska foundry is 3.7 lbs. A new supplier from Kansas has submitted a batch of castings known to have normally distributed weights....

Successful Six Sigma projects always:

An x-bar and R chart has four part measurements per sample The control limits on the averages chart are 2.996 and 3.256. Assume the process data form a normal distribution. What is...

For a line in an FMEA form a team has established the following: Cost: $82 Severity: 7 Occurrence: 9 Detection: 4 Target date: 7 days What should the risk priority number (RPN) be...

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

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?

Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?

Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?

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

Special Cause Variation falls into which two categories?

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

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...

When a Belt Poka-Yoke's a defect out of the process entirely then she should track the activity with a robust SPC system on the characteristic of interest in the defect as an early...

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 critic...

The Control Limits width varies if the sample size varies for which type of chart?

Which of these elements are not included in Implementation plans?

Upon completion and validation of an improvement to a process a Belt and the Project Team create a Control Plan that contains which of these?

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

Which statement(s) are correct about the Factorial Plot shown here? (Note: There are 3 correct answers).

How many experimental runs exist in a Full Factorial and fully randomized design for 4 factors with 2 replicates for the Corner Points and no Center Points? The factors in the expe...

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

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

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

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

Which statement(s) are incorrect about Fractional Factorial Designs?

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

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

The method of Steepest Ascent guides you toward a target inside the original inference space.

Situations where standardized work needs to be incorporated include all of these except _____________________.

The Lean toolbox includes all of these items except ________________.

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

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...

When a Belt implements an improvement that is automated thus requiring no particular understanding for use he has applied which Lean tool?

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

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

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 ________...

When a Belt decides to use written procedures and visual controls to improve the consistency of the tasks that must occur in the process he is improving he has utilized the _______...

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 conclusi...

Fractional Factorial designs are used to reduce the ____________ because the number of runs has been lowered.

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 narro...

A Factorial Experiment based on a Level 2 Design with 6 factors would require 16 runs to fully assess the interactions.

A Full Factorial experiment using a 3 level 3 factor approach has been proposed to test the viability of an extrusion machine experiment. How many treatment combinations will this...

Screening experiments are the proper choice when a Belt is faced with the situation of highly Fractional Factorial Designs.

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