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WorksheetsLean Six Sigma
Total questions: 10
Worksheet time: 5mins
What is the name and company of the engineer who is considered the father of Six Sigma?
Walter Shewhart, Western Electric
W. Edwards Deming, U.S. Government (Agriculture & Census)
Bill Smith, Motorola
Ronald Fisher, University College
In a normally distributed process, what percentage of measurements will fall within the range of ± 3.0 sigma ?
99.99966%
99.73%
0.00135
It depends on the application of the Central Limit Theorem
Which of the following lists are elements of the Lean Six Sigma SIPOC diagram?
Statistics > Improvement > Process > Organization > Control
Supplier > Input > Process > Output > Customer
Service > IT > Purchasing > Operations > CEO
Sigma > Improvement > Planning > Optimizing > Categorizing
Using this PERT chart example, which path is considered the critical path?
0-1-2-6-8-9-10
0-1-3-5-6-8-9-10
0-1-3-5-7-8-9-10
0-1-4-7-8-9-10
Project team members go through a progression of four stages during a project. What are they?
Forming > Storming > Norming > Performing
Planning > Doing > Checking > Acting
Defining > Measuring > Analyzing > Improving
Destroying > Sorting > Verifying > Re-building
Referring to this illustrated normal curve, what percentage of the amount of the total data population is within ±2 sigma?
87.35%
95.44%
75%
82.33%
A full factorial design is said to be a 32 experiment. What does this mean?
Two dependent variables and three independent variables.
Two factors of three levels.
Three levels of two factors.
Three factors with 2 colinear variables.
Of the following charts, which are variable control charts that record, monitor and analyze process variation?
A. X - R chart
B. p chart
C. X – S chart
D. Median chart
A, C, and D
A only
A and B
A and D
What is the key concept of the novel, The Goal, by Goldratt, which was written to show the trials of a plant manager as he tried to concurrently manage his faltering factory and his failing marriage?
Throughput Theory
Fear of change
Socratic Method
Theory of Constraints
Which of the statements below is NOT a Type 1 error?
An error results when a null hypothesis is rejected when it should be true
An error results when a null hypothesis is not rejected when it should be rejected
