Author Question: A low correlation coefficient implies that A) the line always has a flat slope B) in the ... (Read 190 times)

magmichele12

  • Hero Member
  • *****
  • Posts: 559
A low correlation coefficient implies that
 
  A) the line always has a flat slope
  B) in the scatterplot, the points fall quite far away from the line
  C) the two variables are unrelated
  D) you should use a tighter scale of the vertical and horizontal axis to bring the observations closer to the line

Question 2

An example of the interaction term between two independent, continuous variables is
 
  A) Yi = 0 + 1Xi + 2Di + 3(Xi  Di) + ui.
  B) Yi = 0 + 1X1i + 2X2i + ui.
  C) Yi = 0 + 1D1i + 2D2i + 3 (D1i  D2i) + ui.
  D) Yi = 0 + 1X1i + 2X2i + 3(X1i  X2i) + ui.



makaylafy

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

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

For a complete list of videos, visit our video library