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Selecting a Statistically Valid Sample Size

Six Sigma – iSixSigma Forums General Forums Tools & Templates Selecting a Statistically Valid Sample Size

This topic contains 3 replies, has 3 voices, and was last updated by  Rosa 10 months ago.

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  • #55917

    Rosa
    Participant

    Hello,

    Does anyone know of any free sampling tools or the most common accepted methods for selecting a statistically valid sample size, using the following:
    -Population size (e.g., # of calls, # of claims, # of enrollment, # of letters sent to members, etc.)
    -Precision desired,
    -Confidence level,
    -Expected performance (although this factor isn’t a requirement for us)

    Background: I work in the health insurance industry and would like to find a method to select a statistically valid sample size to assess the accuracy of various transactions such as # of calls handled by our Customer Service department, # of claims processed, etc. (for more transaction types, see examples listed after “population size” line item, above).

    Thank you!

    #202136

    Robert Butler
    Participant

    I guess I don’t understand why you are looking for free sample tools when you work in the health insurance industry. Given that line of work your organization has to employ statisticians. Indeed, your kind of work should guarantee your company has an entire section of statistician. I would recommend talking to one of these people about your problem.

    #202138

    John
    Participant

    If you do a Google search there are a number of free sample size calculators available to help you with your question.

    There is also this link on this site that might work for you.

    https://www.isixsigma.com/tools-templates/calculators/

    #202156

    Rosa
    Participant

    Thank you!

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