Consider the model Y=X(J+b+e, E (e) = 0, Cov (e) = a 2 J, where b is

Question:

Consider the model Y=X(J+b+e, E

(e) = 0, Cov

(e) = a 2 J, where b is a known vector. Show that Proposition 2.1.3 is not valid for this model by producing a linear unbiased estimate of p' X(J, say ao + a'Y, for which ao ¥- O.

Hint: Modify p' MY.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Plane Answers To Complex Questions

ISBN: 9780387953618

3rd Edition

Authors: Ronald Christensen

See More Books

Question Posted: Sep 02, 2024 05:02 AM

See More Questions

In the Diffie-Hellman protocol, what happens if, x and y have the same value? That is, Alice and Bob have accidentally chosen the same number. Are the values of R1 and R2 the same? Are the values of...
The accounting records of Azul Industries, Inc., include the following items at December 31, 2016: Requirement Report these liabilities on Azul Industries balance sheet at December 31, 2016,...
In a recent newspaper release, the president of Lawsuit Company asserted that something has to be done about depreciation. The president said, "Depreciation does not come close to accumulating the...
=+d) Can we conclude that cereals on shelf 2 have a different mean sugar content than cereals on shelf 3? Can we conclude that cereals on shelf 2 have a different mean sugar content than cereals on...
Hammocks and Swings, Ltd. has projected sales in units for four months of operations as follows: April....................20,000 May....................25,000 June...................35,000...
protected variable: A . can be changed by code in another class. B . cannot be changed. C . can be read from anywhere but can only be changed by code inside the class within which it is defined. D ....
Consider the model Yi = (JIXil + (J2Xi2 + ei, eiS i.i.d. N(O, ( 2 ). Use the data given below to answer (a) through (d). Show your work, i.e., do not use a regression or general linear models...
Consider a regression model Y = X(J + e, e '" N(O, a2 J) and suppose that we want to predict the value of a future observation, say Yo, that will be independent of Y and be distributed N(x~(J, ( 2)....
Suppose the couples in Exercise 41 choose the teams by having one member of each couple write their names on the cards and the other people each pick a card at random. How likely is it that every...
Jack and Jill need to save $8600 toward a new car. How long willit take them if they save $280 a month earning an annual interestof 6.7% (compounded monthly)? (Treat as an ordinary annuity.)(State 1...
a) Derive the midpoint average equation fn-1 + fn+1 2 from the Taylor series expansion of fn-1 and fn+1 centered at fn- b) What is the accuracy of this approximation? Justify.
An ad for Hydroxycut, a dietary supplement sold as a weight loss aid, depicts a handsome man with an open shirt with ripped abdominal muscles who claims that he "was shocked at how fast Hydroxycut...
DO not use for or while. Any looping must be accomplished using recursion. Part 3a. Largest power of two less than Implement the method public static int lp2lt(int n) which calculates and returns the...
1. Mate Library is going through a tough time. It is very expensive to keep a librarian, so for the last 5 years, the library has been operating without him. Readers come, take the books and go. But...
Given the following partial structure, add a substituent X to C-1 so that it satisfies the indicated stereochemical requirement. You may find it helpful to build a molecular model for reference. (a)...
On October 31 Juanita Ortega, owner of Outback Guide Service, received a bank statement dated October 30. Juanita found the following: 1. The checkbook has a balance of $2,551.34. 2. The bank...
As can be seen from the iterative proportional fitting algorithm, the ms for the model of no three-factor interaction depend only on the 3 two-dimensional marginal tables. Discuss how this fact can...
With regard to Section 3, show that the m[3t+2] ijk s and m [3(t+1)] ijk s also satisfy M(7).
Using the data of Table 3.1 fit the all main effects model, the all two-factor effects model, and the all three-factor effects model. Perform all of the tests possible among these three models....
New lithographic equipment, acquired at a cost of $950,400 on March 1 at the beginning of a fiscal year, has an estimated useful life of five years and an estimated residual value of $106,920. The...
Tharaldson Corporation makes a product with the following standard costs: Direct materials 236 Direct labor Variable overhead Standard. Quantity or Hours 5.2 ounces 0.3 hours 0.3 hours Standard Cost...
M3-3 (Algo) Compute Costs for Manufacturing Company [LO 3-1] San Tan Company manufactures light bulbs. Once produced, the bulbs are packaged and sold to wholesalers for distribution to grocery stores...

Consider the model Y=X(J+b+e, E (e) = 0, Cov (e) = a 2 J, where b is

Question:

Step by Step Answer:

Plane Answers To Complex Questions

Students also viewed these Business questions