t test

  1. J

    T test result interpretation

    I am doing a T Test for a before and after study. My objective is to prove that before and after are not equal. so if my null hypothesis is same, how would i reject that based on the T test (Two-Sample Assuming Unequal Variances) results. (any source or help on explaining it)
  2. K

    help! t tests and alpha sets at .05

    I am trying to produce a sample theoretical experiment on paper. I've come up with my problem, hypothesis, subjects, apparatus and procedure. I do not quite understand how to produce the statistics. I know I'm suppose to use a 't test' but what is suppose to go in the statistic and how do I...