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Author Question: Which of the following is not a source of caution in regression analysis between two variables? (Read 456 times)

penza

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Question 1

Which statement about residuals plots is true?
I.   A curved pattern indicates nonlinear association between the variables.
II.  A pattern of increasing spread indicates the predicted values become less reliable as the explanatory variable increases.
III. Randomness in the residuals indicates the model will predict accurately.
◦ II only
◦ I, II, and III
◦ I only
◦ I and II only
◦ I and III only

Question 2

Which of the following is not a source of caution in regression analysis between two variables?
◦ All of these are potential problems.
◦ a lurking variable.
◦ subgroups with different characteristics.
◦ extrapolation.
◦ an outlier.


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Marked as best answer by penza on Aug 30, 2019

okolip

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penza

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Reply 2 on: Aug 30, 2019
YES! Correct, THANKS for helping me on my review


smrtceo

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Reply 3 on: Yesterday
Gracias!

 

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