Author Question: A linear regression equation is computed for a sample of n = 13 pairs of X and Y scores. For the ... (Read 101 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
A linear regression equation is computed for a sample of n = 13 pairs of X and Y scores. For the analysis of regression testing the significance of the equation, what are the df values for the F-ratio?
 
  A) df = 1, 11
  B) df = 1, 12
  C) df = 2, 10
  D) df = 2, 11

Question 2

Which of the following correctly describes the effect of increasing the alpha level (for example, from .01 to .05)?
 
  A) Increase the likelihood of rejecting H0 and increase the risk of a Type I error.
  B) Decrease the likelihood of rejecting H0 and increase the risk of a Type I error.
  C) Increase the likelihood of rejecting H0 and decrease the risk of a Type I error.
  D) Decrease the likelihood of rejecting H0 and decrease the risk of a Type I error.



pami445

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library