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

Author Question: In a simple linear regression problem, the least squares line is y = 2.73 - 1.02x, and the ... (Read 90 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jul 24, 2018
In a simple linear regression problem, the least squares line is y = 2.73 - 1.02x, and the coefficient of determination is 0.7744 . The correlation coefficient must be -0.88.
  Indicate whether the statement is true or false

Question 2

If all the points in a scatterplot lie on the least squares regression line, then the correlation coefficient must be 1.0
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 24, 2018
Answer to Question 1

T

Answer to Question 2

F


Mr.Thesaxman

  • Member
  • Posts: 514
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

jordangronback

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part
Problem-Solving in Hangman Problem-Solving in Hangman
Pollution in the Industrializing Nations has become a major problem. The air in Beijing is hazardous ... Pollution in the Industrializing Nations has become a major problem. The air in Beijing is hazardous ...
Time Line for Evolution of the Universe Time Line for Evolution of the Universe
Finding the equation of a line Finding the equation of a line
linear programming problem, applying simplex method and sensitivity analysis linear programming problem, applying simplex method and sensitivity analysis
Video: Genetic terms Animation

For a complete list of videos, visit our video library