test

  1. M

    What test to use?

    Hey guys. first of all it is a theoretical project, so no animals or something were hurt. So we have 6 rats. At the beginning we measure the pain-threshold as a baseline. After that the rats receive a chronic injury and a electrode in implanted in a certain brain area. Now we have three...
  2. C

    Which tests to use? ANOVA?

    Hi, I haven't done statistics in just over a year so trying to read through old notes and feeling a bit stuck! I'm running an experiment looking at pitch discrimination in both isolated notes and melodies, comparing both musicians and non musicians. 1) measuring pitch: should I be using...
  3. M

    Help with normal distribution

    Hello everybody I have the following doubt ... If I have a sample of only 24 discrete data, how can I prove that these data follow a normal distribution? When I enter the data into a specialized software, the software tells me that the sample fits a normal distribution, but I'm confused...
  4. A

    Test for equality of variance of paired samples

    Hi, I have two sets of data representing paired samples for 5 subjects. I would like to know if the variances of those two samples are equal or not. For independent samples, I would use Levene's test. I would like to use the same test for this data set, also as Levene's test is somewhat...