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

Author Question: Which of the following is a property of r, the coefficient of correlation? a. r always lies between ... (Read 41 times)

plus1

  • Hero Member
  • *****
  • Posts: 676
on: Jun 24, 2018
Which of the following is a property of r, the coefficient of correlation?
 a. r always lies between 0 and 1.
  b. r has no units.
  c. If you switch the values of X and Y, the sign of r changes.
  d. All of these choices are true.

Question 2

A perfect straight line sloping downward would produce a correlation coefficient equal to:
 a. +1.0
  b. -1.0
  c. 0.0
  d. Cannot tell from the information given.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chou

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

B


plus1

  • Member
  • Posts: 676
Reply 2 on: Jun 24, 2018
:D TYSM

pratush dev

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

The pituitary gland lies just underneath the brain. It is subdivided into anterior and posterior lob The pituitary gland lies just underneath the brain. It is subdivided into anterior and posterior lob
IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br IQ and Genetics The closer the genetic relationship, the higher the correlation in IQ. Based on: Br
Correlation Between Video Games and Spatial Skills in Youth Correlation Between Video Games and Spatial Skills in Youth
Correlation between the Mendelian postulates of segregation Correlation between the Mendelian postulates of segregation
Table - Correlation Analysis Table - Correlation Analysis
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library