Author Question: Using the following table for gender (X) and level of education (Y), what is the marginal ... (Read 91 times)

JMatthes

  • Hero Member
  • *****
  • Posts: 578

  Using the following table for gender (X) and level of education (Y), what is the marginal probability distribution for level of education (Y)?
 
 

  a.
 
  b.
 
  c.
 
  d.
 

Question 2


  Suppose a study of gives the following summary data: Cov(X,Y) = 0.70, , . What is the value for the correlation, ?
 

  a.
  b.
  c.
  d.



Rilsmarie951

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

correct: d

Answer to Question 2

correct: b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

For a complete list of videos, visit our video library