Sampling – Confidence level

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    Topic
  • #161269
    hav2pass
    Member

    For attribute sampling, confidence level is 1 – allowable risk of assessing control risk too low.

    For variables sampling, confidence level is 1 – risk of incorrect rejection.

    I don’t understand why these formulas use different types of risk. For attribute sampling, it uses Beta risk and for variables sampling Alpha risk.

    This probably isn’t important but it keeps bugging me. Am I not seeing something or it is too technical to understand?

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  • #303537
    Pingal
    Participant

    I am pretty sure that for variables sampling, confidence level = 1 – risk of incorrect acceptance.

    #303538
    hav2pass
    Member

    For Monetary Unit Sampling which is a hybrid method that uses attribute sampling methods, it is 1-risk of incorrect acceptance. But not for Classical variables sampling like Mean-per-unit sampling. That is the one I am confused about.

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    #303539
    Anonymous
    Inactive

    im doing so bad in this module, i cant grasp it with all the statistics terminology

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