Assuming that, the ? i ?s are normal, independent with zero means and common variance ? 2
Question:
Assuming that, the ? i ?s are normal, independent with zero means and common variance ?2, show that A, the least squares estimator of ? in ? y?x = a + 0x, is normally distributed with mean a and variance
Transcribed Image Text:
ΣΗ σλ n Σ (π-3): i=1
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 61% (13 reviews)
The least squares estimator A of a is a linear ...View the full answer
Answered By
Charles mwangi
I am a postgraduate in chemistry (Industrial chemistry with management),with writing experience for more than 3 years.I have specialized in content development,questions,term papers and assignments.Majoring in chemistry,information science,management,human resource management,accounting,business law,marketing,psychology,excl expert ,education and engineering.I have tutored in other different platforms where my DNA includes three key aspects i.e,quality papers,timely and free from any academic malpractices.I frequently engage clients in each and every step to ensure quality service delivery.This is to ensure sustainability of the tutoring aspects as well as the credibility of the platform.
4.30+
2+ Reviews
10+ Question Solved
Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
Question Posted:
Students also viewed these Statistics questions
-
Assuming that, the i's are normal, independent with zero means and common variance 2, show that A, the least squares estimator of in Y|x. = a + 0x, is normally distributed with mean a and variance...
-
A random variable is normally distributed with mean = $1500 and standard deviation = $100. Determine the standard error of the sampling distribution of the mean for simple random samples with the...
-
The weight of an almond is normally distributed with mean .05 ounce and standard deviation .015 ounce. Find the probability that a package of 100 almonds weighs between 4.8 and 5.3 ounces. That is,...
-
Establish procedures to guarantee substantiation of claims for allowances. Think about how you would set up a process to ensure employee claims and allowances could be claimed. Write a step by step...
-
An astronomical telescope has an objective with focal length 75 cm and a +25-D eyepiece. What is the total magnification?
-
Jim Root Corporation operates four bowling alleys. The business just received the October 31, 2018, bank statement from City National Bank, and the statement shows an ending balance of $910. Listed...
-
An investigator is considering two blocking schemes for a $2^{4}$ design with 4 blocks. The two schemes are listed below. Scheme 1: $B_{1}=134, B_{2}=234$ Scheme 2: $B_{1}=12, B_{2}=13, B_{3}=1234$...
-
The Kwestel Company adopted the dollar-value LIFO method for inventory valuation at the beginning of 2006. The following information about the inventory at the end of each year is available from the...
-
What do aggregate demand and supply curves look like in Ethiopia (real world)? Provide me the graphical representation to back up AD and AS curves.
-
Fill in the balance sheet for the Jamestown Company based on the following data (assume a 365-day year): Sales = $3,650,000 Total asset turnover =4x Current ratio = 3:1 Quick ratio = 2:1 Current...
-
A professor in the School of Business in a university polled a dozen colleagues about the number of professional meetings professors attended in the past five years (X) and the number of papers...
-
For a simple linear regression model where ? i ?s are independent and normally distributed with zero means and equal variances a~, show that, Y and have zero covariance. Yi = a 3r, + ei, = 1, 2.......
-
The overall heat transfer coefficient of a wall is determined to be U = 0.075 Btu/h ft 2 F under the conditions of still air inside and winds of 7.5 mph outside. What will the U-factor be when the...
-
b) c) d) | Liza borrow RM500,000 from a bank to buy a house for 5 years financing. Develop an amortization table for 5 years if the interest rate is 5 percent per annum. You may answer this question...
-
Explain briefly. According to the second law of thermodynamics, it is impossible for a heat engine to convert thermal energy solely into work without exhausting some thermal energy to a cold...
-
Understanding Accounting for Tax Refunds Accounting for tax refunds is a financial process that involves the recognition, measurement, and reporting of potential or expected tax refunds in a...
-
Explain the Process of Data Analysis in sociological research. What is the connection between data and how it related to sociology?
-
How is globalization changing the nature of ethnicity on a global scale? In what ways have ethnic groups been able to use advances in communication and media to retain their ethnic identity?
-
Show that the fractional change in the equilibrium value of the internuclear distance of a diatomic molecule, as a result of rotation, is given by \[ \frac{\Delta r_{0}}{r_{0}}...
-
5. How much would you need to deposit in an account now in order to have $5,000 in the account in 5 years? Assume the account earns 2% interest compounded monthly. 10. You deposit $300 each month...
-
The position of a bicyclist on a straight road in kilometers over a period of 4 h is given by the graph in Figure 16, where inflection points occur when t = 0.5 and t = 2. (a) Describe the motion of...
-
Consider the following hypotheses: H 0 : > 65 H 1 : < 65 Given that x = 58.8, s = 10.4, n = 25, and = 0.05, answer the following questions: a. What conclusion should be drawn? b. Use PHStat to...
-
Consider the following hypotheses: H 0 : = 140 H 1 : 140 Given that x = 148.1, s = 37.5, n = 20, and = 0.02, answer the following questions: a. What conclusion should be drawn? b. Use PHStat to...
-
Consider the following hypotheses and sample data, and then answer the following questions using = 0.05. H 0 : < 16 H 1 : > 16 19 19 12 18 22 21 14 21 17 15 a. What conclusion should be drawn? b....
-
You have $8,500 to invest for 5 years. Find how much you'll have at the end of the 5 years if you earn 3.4% interest compounded (a) annually: $ (b) monthly: $ (c) daily: $ (d) continuously: $
-
Create instructions for a UHD student on how to use Zoom to record an oral presentation. This assignment has two purposes: I need to ensure you know how to use Zoom to record your group's oral...
-
Solve for x: 1 3x-3x-2=24 2 3*+1=3x+1/3 3 3x+3x+2=10 4 5x+1 1 =2.5* 5 2x+2x+2x=96 6 12x+12=288 7 2x+2x-2=5 8 22x+4x+1=80 EXERCISE 5 Solve for x: 8.4141-32 = 1 2 3x+1=9x. 27 3 3x+2 = 9.27 4 5-1. = 25*...
Study smarter with the SolutionInn App