Author Question: If the correlation between age and memory is ?.30, how much of the variance in memory is accounted ... (Read 32 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
If the correlation between age and memory is ?.30, how much of the variance in memory is accounted for by age?
 
  a. .09
  b. .9
  c. 9
  d. 90

Question 2

A scatter diagram that contains data points which are tightly clustered on a path that goes from the bottom left to the upper right is likely to depict a ____ correlation.
 
  a. weak negative
  b. strong positive
  c. weak positive
  d. strong negative



phuda

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

C

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

For a complete list of videos, visit our video library