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Author Question: A graphing calculator was used to fit the model E(y) = 0 + 1x + 2x2 to a set of data. The resulting ... (Read 69 times)

awywial

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on: Feb 14, 2020

Question 1

Which equation represents a complete second-order model for two quantitative independent variables?
◦ E(y) = β0 + β1x1 +  β2x2 +  β3 + β4
◦ E(y) = β0 + β1x1x2 +  β2 + β3
◦ E(y) = β0 + β1 + β2 +  β3x2 +  β4x1 + β5
◦ E(y) = β0 + β1x1 +  β2x2 +  β3x1x2 +  β4 + β5

Question 2

A graphing calculator was used to fit the model E(y) = β0 + β1x + β2x2 to a set of data. The resulting screen is shown below.



Which number on the screen represents the estimator of  β2?
◦ 5.5
◦ 11
◦ .9286
◦ .9405
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by awywial on Feb 14, 2020

Alyson.hiatt@yahoo.com

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Reply #1 on: Feb 14, 2020
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awywial

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Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)

miss.ashley

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Reply 3 on: Yesterday
Wow, this really help

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