This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: When models exhibit heteroscedasticity, least squares is the most efficient procedure for estimating ... (Read 78 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jun 24, 2018
When models exhibit heteroscedasticity, least squares is the most efficient procedure for estimating the coefficients of the regression model.
 
  Indicate whether the statement is true or false

Question 2

On the basis of a random sample the null hypothesis: H0 :   0 is tested against the alternative: H1 :  > 0 and the null hypothesis is not rejected at the 10 significance level.
 
  Does this necessarily imply that 0 is contained in the 90 confidence interval for ?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mk6555

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jun 24, 2018
Answer to Question 1

FALSE

Answer to Question 2

No, the 90 confidence level provides for 5 of the area in either tail. This does not correspond to a one-tailed hypothesis test with  = 10 which has 10 of the area in one of the tails.


lbcchick

  • Member
  • Posts: 550
Reply 2 on: Jun 24, 2018
Gracias!

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat An electrocardiogram (ECG, EKG) is a commonly used procedure in which the electrical events associat
Start the valve adjustment procedure by first disconnecting and labeling, if necessary, all ... Start the valve adjustment procedure by first disconnecting and labeling, if necessary, all ...
Schematic models of an IgG antibody molecule and an Fab fragment Schematic models of an IgG antibody molecule and an Fab fragment
Efficient Allocation of Labor between Sectors Efficient Allocation of Labor between Sectors
MRE and RAO models of hominin migration. MRE and RAO models of hominin migration.
Video: Transcription - Introns and exons

For a complete list of videos, visit our video library