iSixSigma

Saima Eman

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  • Saima Eman replied to the topic t value in the forum General 13 years, 5 months ago

    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…[Read more]

  • Saima Eman replied to the topic t value in the forum General 13 years, 5 months ago

    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?