two sample

  1. Z

    Two sample test from same table

    I have a table with 3 columns - the respondent serial number, the gender (male / female) and the height. I want to test if the males are taller than the females. How can I do this in R?
  2. J

    Significance of two-sample problem/test

    I am self-studying an applied statistics course (reading the curriculum, doing the recommended exercises, doing old projects etc.) and I am now trying to deal with this problem: How significant is a drop from 4039 to 3611 traffic related injuries per year? The process (of being injured due...
  3. P

    Kolmogorov-Smirnov Two Sample test statistic confusion

    Hi, What is the test statistic for the Kolmogorov Smirnov Two sample test for testing whether two distributions are the same. I have been using the Handbook of Parametric and Nonparametric Statistical Procedures, but I have also found online a conflicting option for the test statistic: 1)...