Hi guys! I have to calculate the 95% CI for the IQR. I have 100samples with continuous numbers using a compute-intensive method. 1)I can calculate the 95%CI and the IQR, but I don't know how to calculate the CI of the IQR, does anybody have any idea, which method will be appropriate? 2)I have a 2x2 table with gender vs blue eyes or not. How do I calculate the expected two-by-two contingency tables? Do I assume that half the people are female and half are males. And assume some random chance of your eyecolor being blue? 3) I have to use a permutation test, to calculate whether there is a difference in the median of two samples. - How do I do that? I thought permutation test only was for categorical data?
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