« previous next »

Author Question: In the least squares regression line y = 3 - 2x, the predicted value of y equals: a. 1.0 when x = ... (Read 46 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jul 24, 2018
In the least squares regression line y = 3 - 2x, the predicted value of y equals:
 a. 1.0 when x = -1.0
  b. 2.0 when x = 1.0
  c. 2.0 when x = -1.0
  d. 1.0 when x = 1.0
  e. 1.0 when x = 2.0

Question 2

If a simple linear regression model has no y-intercept, then:
 a. all values of x are zero
  b. all values of y are zero
  c. when y = 0 so does x
  d. when x = 0 so does y
  e. none of these


aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

First Line of Defence First Line of Defence
Dial-A-Flo in-line device to regulate IV flow. Dial-A-Flo in-line device to regulate IV flow.
Gram Stain of a person's Gum line Gram Stain of a person's Gum line
In-line blending is the most accurate method for blending ethanol with gasoline because computers ... In-line blending is the most accurate method for blending ethanol with gasoline because computers ...
The engine is rotated until the timing marks on the front of the crankshaft line up with zero ... The engine is rotated until the timing marks on the front of the crankshaft line up with zero ...
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
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library