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Author Question: Given a specific value ofxand a confidence level, which of the following statements is correct? (Read 21 times)

hannahmadyronde

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on: Feb 26, 2023

Question 1

​

From the residual versus fit plot, it appears that:


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the regression has no problems.


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there may be a problem with nonconstant variance.


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the mean error is not zero.


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The regression equation is not shown so it is not possible to make a determination.



Question 2

Given a specific value ofxand a confidence level, which of the following statements is correct?

◦

The confidence interval estimate of the expected value ofycan be calculated, but the prediction interval ofyfor the given value ofxcannot be calculated.


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The confidence interval estimate of the expected value ofywill be narrower than the prediction interval.


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The prediction interval ofyfor the given value ofx can be calculated, but the confidence interval estimate of the expected value ofycannot be calculated.


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The confidence interval estimate of the expected value ofywill be wider than the prediction interval.

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Marked as best answer by hannahmadyronde on Feb 26, 2023

ellie

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Reply #1 on: Feb 26, 2023
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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hannahmadyronde

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Reply 2 on: Feb 26, 2023
YES! Correct, THANKS for helping me on my review

raili21

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Reply 3 on: Yesterday
Wow, this really help

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