Six Sigma Hypothesis Testing Fundamentals

Six Sigma Green Belt    |    Intermediate
  • 14 Videos | 1h 12m 20s
  • Includes Assessment
  • Earns a Badge
  • Certification CPE
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During the Analyze phase of a Lean or Lean Six Sigma improvement project, the team conducts a number of statistical analyses to determine the nature of variables and their interrelationships in the process under study. This can in turn lead to business process improvement. In this course, you'll learn about some of the basic concepts relating to hypothesis testing, and how it can drive process improvement, process control, and process design. You'll also explore how to carry out various types of hypothesis test design, to find and compare means. The course is aligned with ASQ’s 2015 Six Sigma Green Belt Body of Knowledge.

WHAT YOU WILL LEARN

  • identify the purpose of hypothesis testing
    distinguish between hypotheses testing concepts
    identify best practices when establishing the practical significance of hypothesis testing results
    recognize how confidence intervals are used in hypothesis testing
    distinguish between error types
    identify factors that affect the power of a hypothesis test
    determine sample size for a given alpha risk level using margin of error formula
  • sequence the steps in the hypothesis testing process
    distinguish between hypothesis tests
    interpret hypothesis test results and determine appropriate response
    distinguish between t- and z-tests
    test a hypothesis using a pooled two-sample test for means
    test a hypothesis using a non-pooled two-sample test for means

IN THIS COURSE

  • Playable
    1. 
    Six Sigma Hypothesis Testing Fundamentals
    35s
    UP NEXT
  • Playable
    2. 
    Introduction to Hypothesis Testing
    3m 9s
  • Locked
    3. 
    Null and Alternative Hypotheses
    3m 33s
  • Locked
    4. 
    Statistical and Practical Significance
    3m 50s
  • Locked
    5. 
    Point and Interval Estimates
    4m 24s
  • Locked
    6. 
    Type I and Type II Errors
    4m 37s
  • Locked
    7. 
    Power of a Hypothesis Test
    2m 54s
  • Locked
    8. 
    Determining Appropriate Sample Size
    3m 31s
  • Locked
    9. 
    Hypothesis Testing Steps
    3m 21s
  • Locked
    10. 
    One- or Two-tailed Hypothesis Tests
    2m 19s
  • Locked
    11. 
    The Critical Value and P-value Methods
    2m 35s
  • Locked
    12. 
    One-sample t- and z-tests
    6m 48s
  • Locked
    13. 
    Pooled Two-sample t-test for Means
    5m 46s
  • Locked
    14. 
    Non-pooled Two-sample t-test for Means
    4m 27s

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