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

Author Question: If the sum of squares due to regression (SSR) is 60, which of the following must be true? a. The ... (Read 22 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Jun 24, 2018
If the sum of squares due to regression (SSR) is 60, which of the following must be true?
 a. The coefficient of correlation is 0.9.
  b. The total sum of squares (SST) is at least 60.
  c. The y-intercept is positive.
  d. The slope, b, is positive.
  e. The coefficient of determination is 0.81.

Question 2

If all the points in a scatter diagram lie on the least squares regression line, then the coefficient of correlation:
 a. must be 1.0.
  b. must be -1.0.
  c. must be either 1.0 or -1.0.
  d. must be 0.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tofugiraffe

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

C


SAVANNAHHOOPER23

  • Member
  • Posts: 542
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

ricroger

  • Member
  • Posts: 352
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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.

True-color image of layers of haze in Titan's atmosphere. True-color image of layers of haze in Titan's atmosphere.
true story true story
True Forget-Me-Not True Forget-Me-Not
Adapoids and omomyoids had longer snouts and are the first “true” primates. Adapoids and omomyoids had longer snouts and are the first “true” primates.
Replication fork regression as a likely response to a blocking DNA lesion Replication fork regression as a likely response to a blocking DNA lesion
A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ... A diagram showing one of Mendel’s crosses. True-breeding strains of pea plants with smooth and ...
Video: Digestive System Animation

For a complete list of videos, visit our video library