subject
Mathematics, 24.04.2020 20:30 speresenko

Let X1,X2X7 denote a random sample from a population having mean \mu and variance \sigma2.. Consider the following estimators of \mu:\theta1=X1+X2++X7 / 7\theta2= (2X1-X3+X5) / 2a. Is either estimator unbiased?b. Which estimator is best? In what sense is it best? Calculate the relative efficiency of the 2 estimtors.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle
Answers: 1
question
Mathematics, 21.06.2019 17:30
Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships
Answers: 2
question
Mathematics, 21.06.2019 19:50
Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?
Answers: 1
question
Mathematics, 21.06.2019 21:30
Solve -.016x= -16. need solving this
Answers: 2
You know the right answer?
Let X1,X2X7 denote a random sample from a population having mean \mu and variance \sigma2.. Consider...
Questions
question
Mathematics, 05.12.2020 21:20
question
Mathematics, 05.12.2020 21:20
question
Mathematics, 05.12.2020 21:20
question
Arts, 05.12.2020 21:20
question
Mathematics, 05.12.2020 21:20