regression, Basic Statistics

Assignment Help:
Consider a multiple regression model
Y=ß0+ß1X1+ß2X2+µ
The sample data yields the following matrices:
X’X= { ¦(33&0&0@0&40&0@0&20&60) } Y’X=¦((132&24&92)) ?(y-Y)2 =150

a. what is the sample size?
b. estimate the coefficients by ordinary least squares
c. compute the variance-covariance matrix
d. test the null hypothesis that the slope parameters sum to unity
e. compute R2
f. test the null hypothesis that the slope parameters are jointly equal to zero

Related Discussions:- regression

Hypotheses testing, Celia is a nurse in a geriatric ward.  She noticed that...

Celia is a nurse in a geriatric ward.  She noticed that older persons in her care are having problems sleeping at night.  She decided to introduce non-pharmocologic ways of relaxat

Quantitative research methods, I have four assignments that are due tomorro...

I have four assignments that are due tomorrow. Can you help?

What is a sole proprietorship, What is a sole proprietorship? A sole pr...

What is a sole proprietorship? A sole proprietorship is a form of business organization that is owned by one person. The owner is referred to as a sole proprietor. In accoun

Rejection of null hypothesis - testing of hypothesis, Two researchers test ...

Two researchers test the same hypothesis. Researcher A rejects the null hypothesis and researcher B fails to reject the null hypothesis.  Discuss three reasons that could cause the

Employer''s fica tax rate for 2012, Employer's FICA tax rate for 2012 Th...

Employer's FICA tax rate for 2012 The employer's FICA tax amount for 2012 involves 1) the Public Protection tax amount of 6.2% of each individual's first $110,100 of income, inc

Simulate a worm propagation considering no delay, You are required to simul...

You are required to simulate simple worm propagation in a medium-scale network by using discrete-time simulation technique. Assume that in an isolated network with IP address

Acceptance region, Acceptance Region A term related with the statistical...

Acceptance Region A term related with the statistical signi?cance tests, which provides the set of values of a test statistic for which the null hypothesis cannot rejected. Supp

Linear regression, Linear  regression is  a regression methods  that models...

Linear  regression is  a regression methods  that models  the  relationship  between  a dependent variable   independent variables ? X1 i = 1 .........p and a random term . the mod

Conversion process from gaap to ifrs, How important a role do you think IT ...

How important a role do you think IT will play in the conversion process from GAAP to IFRS? Manager 1: Earlier, we never expected the new rules to have such an impact on the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd