statistical inference

  1. B

    Statistical inference problem - complete sufficient and UMVU estimator

    I am able to do part (a) by finding the Fisher's Information and using the theorem of Information Inequality. However, I am very confused about part (b) and (c), as I have no idea what the distribution of S is (Bernoulli can be summed with ZT-Poisson?) If anyone could provide solution with...
  2. A

    Statistical inference.

    Hi there, I would like to ask a couple of basic questions: 1. What is the difference between estimation and hypothesis testing? I mean are they two options for inference? or estimation of the parameters comes first and then we apply the hypothesis testing? 2. How can I determine what is...
  3. M

    Help with Statistical distributions

    Hello I have the following doubt, I hope you can help me, I really appreciate it - I have a population of 500 businesses - A sample of the businesses with the highest sales (200 businesses) - Each business can sell many products, but I would like to know the behavior of only one group or...
  4. M

    which test for a 2-way repeated measures design with multivariate data in Matlab or R

    Hello, I have one of the annoying 'which test'? questions. I have trivariate metric data (x1,x2,x3) from a repeated measures design with 2 factors (one with 2 levels, one with 8; both IVs are within participant). 16 participants were tested. I would like to know whether either of the two...