estimator value

  1. C

    Estimation of an exponential parameter

    Hi, I´m having a hard time trying to figure out this. Exercise Let X1,..,Xn be i.i.d. Exp(λ) random variables, where λ is unknown. What is the distribution of min(Xi)? Enter the pdf f_min(x) of min(Xi) in terms of x . My approach Since the pdf of an exponential is λ *e^(−λx) and the first...
  2. H

    Z-test for comparing two estimator values?

    Dear statistics community, My supervisor asked me to compare values of Pohar Perme estimator of net survival in two regions of the country using Z-test. Am I right that we cannot use Z-test for comparing these estimator values? Pohar Perme estimator of net survival is defined in the paper...