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

Author Question: If the coefficient of determination is 0.975, then the slope of the regression line: a. must be ... (Read 144 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jul 24, 2018
If the coefficient of determination is 0.975, then the slope of the regression line:
 a. must be positive
  b. must be negative
  c. could be either positive or negative
  d. must be 0
  e. none of these

Question 2

Given the least squares regression line y = -2.48 + 1.63x, and a coefficient of determination of 0.81, the coefficient of correlation is:
 a. -0.85
  b. 0.85
  c. -0.90
  d. 0.90
  e. -0.81


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Heffejeff

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s The north-facing slope at this site supports a Mediterranean woodland, while the vegetation on the s
Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ... Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ...
Write the equation in general form of the line passing through the point Write the equation in general form of the line passing through the point
Correlation Coefficient, r (Chart) Correlation Coefficient, r (Chart)
Sex determination Sex determination
Cell–cell interaction in anchor cell determination Cell–cell interaction in anchor cell determination
Video: Ear Animation

For a complete list of videos, visit our video library