Recent content by Trabeculae

  1. T

    Are 2 means statistically different?

    Good morning, I was wondering if there is a way to calculate a p value with only the following information: Group A: n=64; Oswestry Disability Index mean = 30 group B: n=62; Oswestry Disability Index mean = 20. I was thinking you could use the Excel difference between 2 means program...