📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!

  • google app store apple app store
  • ✖

      Question

      X, Y and Z constitute a random sample of size 3 from

      normal population with the mean µ and variance α2, find the efficiency of (X+2Y+3Z)/5
      A 1.348 Correct Answer Incorrect Answer
      B 1.786 Correct Answer Incorrect Answer
      C 1.270 Correct Answer Incorrect Answer
      D 0.970 Correct Answer Incorrect Answer

      Solution

      Practice Next
      ask-question