Author Question: The association between two variables is best indexed by the A) Standard deviation. B) Variance. ... (Read 108 times)

amal

  • Hero Member
  • *****
  • Posts: 572
The association between two variables is best indexed by the
 
  A) Standard deviation.
  B) Variance.
  C) Sum of squares.
  D) Correlation coefficient.

Question 2

Which type of descriptive statistic always involves at least two variables?
 
  A) Measures of variability
  B) Central tendency measures
  C) Correlation coefficients
  D) Both A and C



reelove4eva

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

For a complete list of videos, visit our video library