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Author Question: The standardized form of the regression equation is zY = (beta)zX. In the equation, what is the ... (Read 135 times)

jayhills49

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on: Jun 20, 2018
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.


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milbourne11

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Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


jayhills49

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Reply 2 on: Jun 20, 2018
Excellent

6ana001

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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