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Author Question: What relationship between x and y is suggested by the scattergram? (Read 26 times)

jeatrice

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on: Feb 14, 2020

Question 1

Consider the second-order model

= -3.24 + 1.12x1 + 2.57x2 - 3.22x1x2 + 5.78 = 4.69

If x2 is held fixed at x2 = 3, describe the relationship between and x1.
◦ The relationship between and x1 is linear with positive slope.
◦ The relationship between and x1 is quadratic with upward concavity.
◦ The relationship between and x1 is linear with negative slope.
◦ The relationship between and x1 is quadratic with downward concavity.

Question 2

What relationship between x and y is suggested by the scattergram?



◦ a linear relationship with negative slope
◦ a quadratic relationship with downward concavity
◦ a quadratic relationship with upward concavity
◦ a linear relationship with positive slope
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Marked as best answer by jeatrice on Feb 14, 2020

wergv

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Reply #1 on: Feb 14, 2020
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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jeatrice

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Reply 2 on: Feb 14, 2020
YES! Correct, THANKS for helping me on my review

daiying98

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Reply 3 on: Yesterday
Excellent

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