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    Skewed, non-normal data and central tendency tests

    Hi everyone, I have about 10,000 observations for a variable with a skewed, non-normal distribution (min=-2000, max=3000, mean=-0.30, median=0.003). I would like to perform a t-test against the null that the mean = 0. Although the sample is large, the non-normality gives me pause, which leads...