randomization test

  1. 1

    Which Non-parametric Significance Test Should I Use?

    Hi, I've been working on a little project. Last year I delivered pizzas. I recorded data for 300 of my deliveries like tip amounts, order totals, and delivery times. I have a few hypotheses I would like to test. For example, after examining the data I've noticed that the average tip from...
  2. C

    Permutation test: Level of significance

    Dear all, I am currently reading about permutation/randomization tests and have some difficulties to understand why they are exact. More precisely, I consider two groups of independent random variables with means \mu_1 and \mu_2 and variances \sigma^2_1 and \sigma^2_2, which are assumed to be...