In George Eckes' lecture on ten questions regarding Six Sigma, he explains that Six Sigma can be applied to all businesses except those that ?

1. In George Eckes' lecture on ten questions regarding Six Sigma, he explains that Six Sigma can be applied to all businesses except those that ?
A Have annual revenues less than $30 million
B Do something different every day
C Have been in existence for less than 1 year
D Do very little in the way of manual processes
2. Use this distribution for finding confidence intervals for the population mean when the sample size is less than 30 and the population standard deviation is unknown?
A F-distribution
B Student-t
C Normal
D Hypergeometric
3. What percentage of the process variation is expected within two (2) standard deviations of the mean (4 standard deviations total), assuming a normal distribution?
A 73.3%
B 34%
C 68%
D 95%
4. In Design of Experiments, which of the following steps should you complete before you select your variables?
A Analyze data
B Define objective(s)
C Assign levels to the variables
D Conduct experiments
5. ________ is a statistical unit of measure that reflects process capability.
A Mu
B X-bar
C Delta
D Sigma
6. Suppose that you work for a large financial institution. The time has come to upgrade the software used in all of your branches. For the past 30 days, four high-volume branch locations have been using software from four possible vendors on a trial basis. You have been collecting data from each branch to determine which software package yields the best performance. The best tool you can use to compare all of the data in one illustration is the?
A Box and whisker plot
B Affinity diagram
C Prioritization matrix
D Radar chart
7. In George Eckes' lecture on ten questions regarding Six Sigma, he identifies ________ as the most creative tool available in the Six Sigma toolbox.
A CTQ trees
B Lean thinking
C QFD
D DMADV

8. FMEA is
A A method to highlight and quantify either existing failure modes or potential failure modes
B A tool to evaluate the risk of the project failing and its potential financial impact
C Used to chart the process failures and determine the costs of defects
D Used to create the process map
9. Quartiles are utilized by which of the following tools?

A Run charts
B Histograms
C Fault tree diagrams
D Box and whisker plots
10. Which questions should be considered and answered through the use of a capability study?
Is the process centered?
Is the process capable?
Is the process efficient?
Is the process effective?


A I and III only
B I, II, and IV only
C IV only
D I, II, III, and IV
11. The number of accidents occurring at a busy intersection in Boston averages five per week. What is the probability that no accidents will occur in any given week? (Must use Poisson)

A 0.67%
B 0.00%
C 61.60%
D 99.33%
12. A Multi-vari chart

A Is a form of Pareto chart
B Is used to vary the inputs on a control chart
C Is used to segment and analyze sources of variation
D Shows the frequency distribution
13. An outlier in a box and whisker plot is defined as a value that is

A Beyond 1.5 x IQR from the nearest quartile
B Beyond 2.0 x IQR from the nearest quartile
C Beyond the upper quartile
D Beyond the lower quartile
14. You are designing a brand new component for use in an amusement park ride, and you are in the midst of a Failure Mode and Effect Analysis (FMEA). What factors will you use to determine the risk priority number for each potential failure cause?

A Frequency, severity, and certainty of detection
B Frequency, magnitude, and cost to determine
C Severity, time to repair, and customer ranking
D MTBF, MTTF, and hazard rate
15. A fault tree diagram can be used to determine root cause based on

A Symptoms we can see
B Implied data
C Customer feedback
D Process performance metrics
16. What is Chi Square ?

A A calculation to determine the amount of variation squared.
B A calculation to determine whether the observed frequencies differ significantly from the expected frequencies
C A tool to control a process
D A method of determining out of control points on a control chart
17. Which factors will you use to determine the risk priority number for each potential failure cause?

A Frequency, severity, and certainty of detection
B Frequency, magnitude, and cost to determine
C Severity, time to repair, and customer ranking
D MTBF, MTTF, and hazard rate
18. A process that is capable indicates

A The process is acceptable
B The process is centered
C The process variation is greater than the width of the specification window
D The process variation is less than the width of the specification window
19. What is a balanced experiment?

A Same number of factors as levels
B Each factor level appears the same number of times
C At least one trial for all possible combinations of factors and levels
D At least two repetitions for each trial
20. What are conditions for a binomial distribution?
Continuous data
It is two-state (success/failure, defective/not defective, etc.)
The trials are independent
The probability of success on every trial is the same


A I, II, and III only
B I, III, and IV only
C I and III only
D None of the choices are completely correct
21. In Design of Experiments, which of the following steps should you complete before you select your variables?

A Analyze data
B Define objective(s)
C Assign levels to the variables
D Conduct experiments
22. What does a negative Cpk or Ppk indicate?

A Always is a math error
B The process average is out of specification
C The process standard deviation is negative
D The process mean is closer to the lower specification
23. Which of the following is NOT true?

A Cp (or Pp) is potential capability
B Cpk (or Ppk) is actual performance
C Cpk (or Ppk) is less than Cp (or Pp)
D Cp (or Pp) equals zero
24. Which of the following is NOT a factorial design?

A One-Factor-at-a-Time or OFAT Factorial
B 2k factorial
C Fractional factorials
D Full factorial
25. Cp, Pp, Cpk, and Ppk are

A Indicators of the specification relative to process dispersion and process centering, respectively
B Indicators of the specification relative to process centering and process dispersion, respectively
C Nominal-is-best quality characteristics
D Smaller-is-best quality characteristics

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