Search results

  1. S

    Unusual power analysis

    Hello, does somebody have an idea how to perform the following sample size calculations? I want to conduct a cross-sectional study in a special patient population to proof that screening for a disease does NOT make sense. So basically to exclude this disease in this special patient population...
  2. S

    Which statistical test should I use?

    Hi everyone, maybe a statistical expert could help me out. I am interested in an event, that occurs in mean 30 times per month with an SD of 10. This relies on a data collected over a period of 1 year. Now I want to compare if this event happens as often after the coronavirus pandemic. So i...