« previous next »

Author Question: A __________ correlation coefficient means that decreases in X are associated with decreases in Y; a ... (Read 83 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jun 20, 2018
A __________ correlation coefficient means that decreases in X are associated with decreases in Y; a __________ correlation coefficient means that decreases in X are associated with increases in Y.
 
  a. positive; negative
  b. zero; negative
  c. negative; positive
  d. positive; zero

Question 2

In a recent study, Mary found a correlation coefficient of .83 between the two variables, foot size and score on the math final. She concludes that these two variables have a strong ________ correlation.
 
  a. negative
  b. positive
  c. binary
  d. continuous


kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

ashley

  • Hero Member
  • *****
  • Posts: 584
Reply #2 on: Jun 20, 2018
Thank you


kmb352

  • Sr. Member
  • ****
  • Posts: 319
Reply #3 on: Jun 20, 2018
No problem :)


« previous next »
 

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Gangrene of the toes and foot as a result of an infection often means eventual amputation. Gangrene of the toes and foot as a result of an infection often means eventual amputation.
A sphere represented by means of modeling. A sphere represented by means of modeling.
Temperature Means and Ranges Temperature Means and Ranges
Table - Correlation Analysis Table - Correlation Analysis
Table - Correlation Analysis Table - Correlation Analysis
Calculation of the inbreeding coefficient (F) Calculation of the inbreeding coefficient (F)
Video: Types of disease resistance: innate defenses & immunity

For a complete list of videos, visit our video library