Show that E[ - ) 2 ] = V( ) + b 2 ()where the bias b()
Question:
Show that E[θ̂ - θ)2] = V(θ̂ ) + b2(θ)where the bias b(θ) = E(θ̂ ) - (θ). Write (θ̂ - θ) = [θ̂ - E(θ̂ )] + [E(θ̂ ) - θ].
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 57% (7 reviews)
E 2 E E E 2 E E 2 2E E ...View the full answer
Answered By
BillClinton Muguai
I have been a tutor for the past 5 years. I have experience working with students in a variety of subject areas, including computer science, math, science, English, and history. I have also worked with students of all ages, from elementary school to college. In addition to my tutoring experience, I have a degree in education from a top university. This has given me a strong foundation in child development and learning theories, which I use to inform my tutoring practices.
I am patient and adaptable, and I work to create a positive and supportive learning environment for my students. I believe that all students have the ability to succeed, and it is my job to help them find and develop their strengths. I am confident in my ability to tutor students and help them achieve their academic goals.
0.00
0 Reviews
10+ Question Solved
Related Book For
Statistics For Engineering And The Sciences
ISBN: 9781498728850
6th Edition
Authors: William M. Mendenhall, Terry L. Sincich
Question Posted:
Students also viewed these Engineering questions
-
Show that for any real constants a and b, where b > 0, (3.2) (n + a)b = (nb).
-
Show that when a photon of energy E is scattered from a free electron at rest, the maximum kinetic energy of the recoiling electron is givenby E? Kenax E + mc 12
-
Show that V (X + Y) = V (X) + V (Y) + 2 Cov(X, Y).
-
Use the Ratio Test to determine if each series converges absolutely or diverges. 8 n=1 nt (-4)"
-
How might a smart phone service improve its marketing communication with the use of direct marketing?
-
Assume that precisely \(30 \%\) of the population will be voting Liberal Democrat at the next election. You are conducting a poll. What is the probability that between 27 and \(33 \%\) of a random...
-
The Arcadia Company was founded by Thomas Smith and began operations in July 2015 as a neighborhood hardware store, selling branded lawn and garden supplies, household products, and small tools. The...
-
Courts Distributors needed two hundred compact refrigerators on a rush basis. It contacted Eastinghouse Corporation, a manufacturer of refrigerators. Eastinghouse said it would take some time to...
-
Hordel Company needs to determine a markup for a new product. Hordel expects to sell 5,000 units and wants a target profit of $108 per unit. Additional information is as follows: Variable Costs per...
-
Capstone Case: Sunrise Bakery Expansion The Sunrise Bakery Corporation was originally founded in Houston, TX in 1991 by Griffin Harris, who currently serves as the company's Chief Executive Officer....
-
Let y 1 , y 2 , . . . , y n be a random sample from a normal distribution, with mean and variance 2 . Show that the variance of the sampling distribution of s 2 is 2 4 /(n - 1).
-
Finding F values. Find F .05 for an F distribution with: a. Numerator df = 7, denominator df = 25 b. Numerator df = 10, denominator df = 8 c. Numerator df = 30, denominator df = 60 d. Numerator df...
-
Evaluate the limit. r(t) Evaluate lim for r(t) = (sint, 1 - cost, -2t). 1-0 t
-
PMO's must pursue only the activities at the appropriate competency level for the PMO, e.g., an Advanced PMO has to meet all the requirements of the lower-level PMO's, as well as those of the...
-
A company currently owes $25,000 to a bank for a loan it took 4 years and 6 months ago. The interest rate charged on the loan was 4.5% compounded monthly. a. What was the original principal of the...
-
17. Given the data below, use the high-low method to determine the fixed and variable cost for Sloan Hospital's pharmacy. Scripts filled Cost The variable cost per script is: 17,000 $831,600 1st...
-
Munoz Sporting Equipment manufactures baseball bats and tennis rackets. Department B produces the baseball bats, and Department T produces the tennis rackets. Munoz currently uses plantwide...
-
6. Additional Funds Needed The Booth Energy Company's sales are forecasted to double from $1,000 in 2021 to $2,000 in 2022. Here is the December 31, 2021, balance sheet: Cash $ 100 Accounts payable...
-
A diode converts ac to pulsed dc. What electrical device smoothes the pulsed dc to a smoother dc?
-
31. What is the income that can be received over 15 years from $500,000 earning 6% annually? 32. What is the semiannual payment required to retire $50,000 in debt over 5 years at 8% compounded...
-
(a) Find the pH of a solution prepared by dissolving 1.00 g of glycine amide hydrochloride (Table 8-2) plus 1.00 g of glycine amide in 0.100 L. (b) How many grams of glycine amide should be added to...
-
A solution with an ionic strength of 0.10 M containing 0.010 0 M phenylhydrazine has a pH of 8.13. Using activity coefficients correctly, find pKa for the phenylhydrazinium ion found in...
-
Use the Goal Seek spreadsheet at the end of the chapter to find the pH of 1.00 L of solution containing 0.030 mol HA (pK a = 2.50) and 0.015 mol NaA. What would the pH be with the approximations [HA]...
-
Next year, the economy is expected to be in recession with probability 0 . 3 and in expansion with probability 0 . 7 . In the case of recession, the return on stock X is expected to be - 5 % and the...
-
Aria Acoustics, Inc. ( AAI ) , projects unit sales for a new seven - octave voice emulation implant as follows: Year Unit Sales 1 9 1 , 0 0 0 2 1 0 4 , 0 0 0 3 1 1 8 , 0 0 0 4 1 1 3 , 0 0 0 5 9 4 , 0...
-
Steve's house was destroyed in a tornado in 2023. He purchased the house for $150,000 in September 2012. The fair market value of the house before the tornado was $400,000 and the fair market value...
Study smarter with the SolutionInn App