statistics help

  1. J

    T-test & determining significance

    What type of t test should be used to determine the difference between baseline and most recent period? That is, is the reduction a meaningful change? Can anyone tell me if I calculated the P Value correctly?
  2. S

    Mann Whitney U test using GraphPad prism 6 interpretation

    I have analyzed two biological sample (Soil 1 and Soil 2) by Mann-Whitney U test using GraphPad Prism 6 software. I got following result Table Analyzed One-way ANOVA data Column B Soil 2 vs. vs. Column A Soil 1 Mann Whitney test P value < 0.0001 Exact or approximate P value...