« previous next »

Author Question: The regression line y = 3 + 2x has been fitted to the data points (4,8), (2,5), and (1,2). The ... (Read 73 times)

ARLKQ

  • Hero Member
  • *****
  • Posts: 571
on: Jun 24, 2018
The regression line y = 3 + 2x has been fitted to the data points (4,8), (2,5), and (1,2). The residual sum of squares will be:
 a. 10.
  b. 15.
  c. 13.
  d. 22.

Question 2

In a regression problem, if the coefficient of determination is 0.90, this means that:
 a. 90 of the y values are positive.
  b. 90 of the variation in y can be explained by the regression line
  c. 90 of the x values are equal.
  d. 90 of the variation in x can be explained by regression line.


randomguy133

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

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror Uranus's aurorae against its equatorial rings, imaged by the Hubble telescope. Unlike the auror
Pulse points. Pulse points.
Some column-mounted ignition switches act directly on the contact points, whereas others use a link ... Some column-mounted ignition switches act directly on the contact points, whereas others use a link ...
Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ... Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ...
Use of the elbow to apply pressure to trigger points in the trapezius with the receiver in sitting ... Use of the elbow to apply pressure to trigger points in the trapezius with the receiver in sitting ...
Number line for rounding Number line for rounding
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library