difference in proportions

  1. E

    Prove the difference

    Dear experts, I would like to ask for your help. I have a product which is made with 3 materials A, B and C, where the composition mix of this product is A – 50%, B – 40%, C – 10%. These add up to be 100% in total. Then I would like to ask a group of existing customers (e.g. 50 people) on...
  2. S

    Design help

    Design help
  3. N

    Fisher's Exact test and subjects with multiple observations?

    Hi Everyone, I was wondering if I could please have some advice on how to deal with data that have multiple observations for some of the subjects (but not all). We are looking at list of 150 patients who are currently receiving therapy for various illnesses/indications. We are planning to...