iSixSigma

Saima Eman

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  • #174950

    Saima Eman
    Member

    Thank you for the answers Darth. I got the answer to first question which I think is that we want to see standard deviations, I mean significance in terms of standard scores; so we see t and when we want to know the percentages we see p value. Its just like frequencies and percentages….
    However, i cannot find information about Std. Error of difference, its purpose, etc…

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    #174942

    Saima Eman
    Member

    Q1. Why do we need a t value when we have a p value to decide whether the differences are significant or not?
    Q2. Why do we use independent samples t test even when observations exceed 100 and there is no problem with it?

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