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 29 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
YES! Correct, THANKS for helping me on my review

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Three Models for DNA Replication Three Models for DNA Replication
Surgical tray set up for a biopsy procedure. Surgical tray set up for a biopsy procedure.
Estimating the Intensity of a Hurricane Estimating the Intensity of a Hurricane
Most drugs exhibit first-order elimination, in which the rate of drug elimination is equivalent to ... Most drugs exhibit first-order elimination, in which the rate of drug elimination is equivalent to ...
Two classical models for the cooperative ligand binding by hemoglobin Two classical models for the cooperative ligand binding by hemoglobin
Climate models Climate models
Video: Inflammation

For a complete list of videos, visit our video library