« previous next »

Author Question: If the correlation coefficient r = 1.00, then all the observations must fall exactly on: a. a ... (Read 69 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jun 24, 2018
If the correlation coefficient r = 1.00, then all the observations must fall exactly on:
 a. a straight line with a slope that equals 1.00.
  b. a straight line with a negative slope.
  c. a straight line with a positive slope.
  d. a horizontal straight line with a zero slope.

Question 2

Generally speaking, if two variables are unrelated (as one increases, the other shows no pattern), the covariance will be:
 a. a large positive number.
  b. a large negative number.
  c. a positive or negative number close to zero.
  d. None of these choices.


aprice35067

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Colles’ A break in the distal portion of the radius; often the result of reaching out to cushion a f Colles’ A break in the distal portion of the radius; often the result of reaching out to cushion a f
Fall Fall
The positive correlation between the ability of various neuroleptics to bind to D2 receptors and ... The positive correlation between the ability of various neuroleptics to bind to D2 receptors and ...
The Rise and Fall of Separation Anxiety The Rise and Fall of Separation Anxiety
Mendel’s observations about segregation and independent assortment are explained by the behavior ... Mendel’s observations about segregation and independent assortment are explained by the behavior ...
Illustrated correlation between the Mendelian postulates of unit factors Illustrated correlation between the Mendelian postulates of unit factors
Video: Calvin cycle (The light-independent reactions )

For a complete list of videos, visit our video library