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Author Question: The p-value of a test is the: a. smallest at which the null hypothesis can be rejected. b. ... (Read 87 times)

09madisonrousseau09

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on: Jun 24, 2018
The p-value of a test is the:
 a. smallest  at which the null hypothesis can be rejected.
  b. largest  at which the null hypothesis can be rejected.
  c. smallest  at which the null hypothesis cannot be rejected.
  d. largest  at which the null hypothesis cannot be rejected.

Question 2

What is stepwise regression, and when is it desirable to make use of this multiple regression technique?


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lindahyatt42

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

Stepwise regression is a multiple regression estimation technique whereby independent variables are added and deleted one at a time to/from the regression equation. The decision to add or delete a variable is made on the basis of whether that variable improves the model. The use of stepwise regression can reduce the possibility for multicollinearity since it is unlikely that two highly correlated x variables will be included in a multiple regression that is estimated using the stepwise technique. This technique is useful when there are a great many independent variables.


09madisonrousseau09

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

tandmlomax84

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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