Author Question: For the regression equation, = -2X + 6, what can be determined about the correlation between X and ... (Read 21 times)

darbym82

  • Hero Member
  • *****
  • Posts: 570
For the regression equation, = -2X + 6, what can be determined about the correlation between X and Y?
 
  A) The correlation definitely will be positive.
  B) The correlation definitely will be negative.
  C) The correlation will be zero.
  D) The correlation will be relatively large and positive.

Question 2

If the null hypothesis states that m = 70 and a researcher obtains a sample with M = 73 and s2 = 9, then Cohen's d = 0.33.
 
  Indicate whether the statement is true or false



nathang24

  • Sr. Member
  • ****
  • Posts: 314
Answer to Question 1

B

Answer to Question 2

False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

For a complete list of videos, visit our video library