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Six Sigma ICBB Exam Practice Questions (P. 1)

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Question #1
A ___________ is used primarily to track the stability of the average value of a metric of interest.
  1. A
    NP Chart
  2. B
    Xbar-R Chart
  3. C
    I-MR Chart
  4. D
    C Chart

Correct Answer:
B

Question #2
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?
  1. A
    Individual Chart
  2. B
    C Chart
  3. C
    Xbar Chart
  4. D
    P Chart

Correct Answer:
D

Question #3
Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?
  1. A
    Xbar Chart
  2. B
    Time Series Chart
  3. C
    Neither
  4. D
    Both

Correct Answer:
A

Question #4
Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?
  1. A
    Data shift analysis
  2. B
    Outlier analysis methods
  3. C
    Center Line and Control Limits
  4. D
    None of the above

Correct Answer:
C

Question #5
Common and ______________ Cause Variation are the focus of Statistical Process Control.
  1. A
    Uncommon
  2. B
    Ordinary
  3. C
    Special
  4. D
    Selective

Correct Answer:
C

Question #6
Special Cause Variation falls into which two categories?
  1. A
    Natural & Unnatural
  2. B
    Short Term & Long Term
  3. C
    Assignable & Pattern
  4. D
    Attribute & Discreet

Correct Answer:
C

Question #7
Range Charts are the technique used to determine if Special Causes are occurring within the subgroups of the ______________.
  1. A
    Histograms
  2. B
    SPC Charts
  3. C
    NP Charts
  4. D
    Pareto Charts

Correct Answer:
B

Question #8
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 Variable Data, which SPC Chart is best to be selected?
  1. A
    Xbar-R Chart
  2. B
    Individual-MR Chart
  3. C
    NP Chart
  4. D
    CUSUM Chart

Correct Answer:
A

Question #9
When a Belt Poka-Yokes 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 warning system.
  1. A
    True
  2. B
    False

Correct Answer:
B

Question #10
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 critical metrics move out of spec.
  1. A
    Response Plan
  2. B
    Call List
  3. C
    Chain-of-Command
  4. D
    Defect Analysis Plan

Correct Answer:
A

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