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Author Question: Which of the following is not a source of caution in regression analysis between two variables? (Read 472 times)

penza

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on: Aug 30, 2019

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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Reply #1 on: Aug 30, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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penza

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Reply 2 on: Aug 30, 2019
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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