This topic contains a solution. Click here to go to the answer

Author Question: The standardized form of the regression equation is zY = (beta)zX. In the equation, what is the ... (Read 264 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
The standardized form of the regression equation is zY = (beta)zX. In the equation, what is the value of beta?
 
  A) Beta is equal to the correlation between X and Y.
  B) Beta is equal to SP/ SSX.
  C) Beta is equal to r/(n - 1).
  D) Beta is equal to r/n.

Question 2

A two-tailed hypothesis test is being used to evaluate a treatment effect with  = .05. If the sample data produce a z-score of z = 2.24, then what is the correct decision?
 
  A) Reject the null hypothesis and conclude that the treatment has no effect.
  B) Reject the null hypothesis and conclude that the treatment has an effect.
  C) Fail to reject the null hypothesis and conclude that the treatment has no effect.
  D) Fail to reject the null hypothesis and conclude that the treatment has an effect.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

milbourne11

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

A

Answer to Question 2

B




jayhills49

  • Member
  • Posts: 559
Reply 2 on: Jun 20, 2018
Wow, this really help


strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library