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    Endrea Kosven wrote a new post 5 years, 10 months ago

    What are some of the standard approximations for confidence intervals, and when are they used?

    First, let’s review the definition of a confidence interval.

    Confidence Interval: A range of values so defined t […]

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    Endrea Kosven wrote a new post 5 years, 11 months ago

    What is the power of a statistical test and why use it?

    Power is the probability of making a correct decision (to reject the null hypothesis) when the null hypothesis is false.

    To determine it, one needs to […]

  • Profile picture of Endrea Kosven

    Endrea Kosven wrote a new post 5 years, 11 months ago

    The National Institute of Standards and Technology (NIST) has spent decades developing and maintaining the most comprehensive, free guide for statistical analysis available.

    While the intended audience is […]

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    Endrea Kosven wrote a new post 5 years, 11 months ago

    ISSSP, the non-profit International Society of Six Sigma Professionals, providing resources for Lean, Six Sigma, and Operational Excellence practitioners, is proud to announce its June webinar.

    We are honored […]

  • Profile picture of Endrea Kosven

    Endrea Kosven wrote a new post 5 years, 11 months ago

    First, let’s review the objectives of each DMAIC step.

    D: Define (Establish project purpose and scope, background on process and customer)
    M: Measure (Quantify existing process performance)
    A: Analyze ( […]

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    Endrea Kosven wrote a new post 5 years, 12 months ago

    Discrete Event Simulation can be defined as a mathematical or logical model of a system that portrays that system’s state changes at given points in simulated time.

    What are some of the benefits of s […]

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    Endrea Kosven wrote a new post 6 years ago

    Simpson’s paradox occurs when a trend appears in several different groups of data but disappears or reverses when the data from these groups are combined.

    In this video, Guillaume Riesen, currently a Ph.D. […]

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    Endrea Kosven wrote a new post 6 years ago

    How well do your inspectors agree with one another? How well do they agree with a standard?

    What about people who review documents? How would several reviewers rate the same document? Do they agree with one […]

  • Profile picture of Endrea Kosven

    Endrea Kosven wrote a new post 6 years ago

    ISSSP, the non-profit International Society of Six Sigma Professionals, providing resources for Lean, Six Sigma, and Operational Excellence practitioners, is proud to announce its May webinar.

    We are honored to […]

  • Profile picture of Endrea Kosven

    Endrea Kosven wrote a new post 6 years ago

    Do you have a problem with an objective to maximize, minimize, or perhaps you want to hit a target value?

    Is achieving your objective based on the provision of several resources for which there are constraints? […]

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