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Author Question: Based on the following scatter plot of age versus blood pressure, which of the regression ... (Read 114 times)

jacob816

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on: Feb 26, 2023

Question 1

Assume a least-squares regression line is found to bey= –5.73 + 0.282x. The coefficient of determination for these data is 0.64. What is the correlation coefficient?

◦

0.411


◦

–0.64


◦

0.80


◦

–0.80



Question 2

Based on the following scatter plot of age versus blood pressure, which of the regression assumptions may be violated?



◦

Mean error = 0.


◦

Error variance is constant.


◦

Errors are normally distributed.


◦

Errors are independent.

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Marked as best answer by jacob816 on Feb 26, 2023

queenBea90

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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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jacob816

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Reply 2 on: Feb 26, 2023
Wow, this really help

rachel

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

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