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Author Question: A certain type of rare gem serves as a status symbol for many of its owners. In theory, for low ... (Read 97 times)

dejastew

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on: Feb 14, 2020
A certain type of rare gem serves as a status symbol for many of its owners. In theory, for low prices, the demand decreases as the price of the gem increases. However, experts hypothesize that when the gem is valued at very high prices, the demand increases with price due to the status the owners believe they gain by obtaining the gem. Thus, the model proposed to best explain the demand for the gem by its price is the quadratic model

E(y) = β0 + β1x + β2x2

where y = Demand (in thousands) and x = Retail price per carat (dollars).

This model was fit to data collected for a sample of 12 rare gems. A portion of the printout is given below:



Root MSE12.42R-Square.988


Does the quadratic term contribute useful information for predicting the demand for the gem? Use
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by dejastew on Feb 14, 2020

Liddy

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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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dejastew

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Reply 2 on: Feb 14, 2020
Thanks for the timely response, appreciate it

scikid

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Reply 3 on: Yesterday
Excellent

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