Author Question: Suppose that a relationship between presidential voting preference and gender has a statistical ... (Read 63 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
Suppose that a relationship between presidential voting preference and gender has a statistical significance level of .001 and the P-R-E measure of association for this relationship is .35. Which of the following statements is correct? (Answer: B)
 
  A. By knowing the dependent variable gender, we can reduce the number of errors in predicting the independent variable presidential voting preference by 35.
  B. By knowing the independent variable gender, we can reduce the number of errors in predicting the dependent variable presidential voting preference by 35.
  C. The relationship is not statistically significant; accept the null hypothesis.
  D. There is a statistically significant relationship, but the relationship is not strong enough to be of any theoretical importance.

Question 2

Which of the following does a P-R-E measure of association tell us?
 
  A. the degree of relationship between the dependent variable and the independent variable
  B. how well we can predict the dependent variable by knowing the independent variable
  C. how well the independent variable explains the dependent variable
  D. All of the above are correct; they all mean basically the same thing.
  E. None of the above is correct.



janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

B.

Answer to Question 2

D.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

For a complete list of videos, visit our video library