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    Are Fisher's tests of significance mathematically correct?

    Hello, I think of Fisher's approach like this: We choose a test statistic whose distribution is calculated under H0. H0 being a simple hypothesis of preference We break down the distribution according to significance thresholds The significance thresholds are defined by what we consider to...
  2. Y

    What statistical tools should be used for the interval and ratio scales?

    Hello, I have read a lot on the internet of examples of differences between the two scales, however I do not understand why statistical tools such as the relative standard deviation are used for the ratio scales and not for the interval scales. I found everything and its opposite on the...