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Author Question: Medical records indicate that people with more education tend to live longer; the correlation is ... (Read 169 times)

dollx

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on: Jul 25, 2018
Medical records indicate that people with more education tend to live longer; the correlation is 0.48.
 
  The slope of the linear model that predicts lifespan from years of education suggests that on average people tend to live 0.8 extra years for each additional year of education they have. The slope of the line that would predict years of education from lifespan is
  A) 1.67 B) 0.288 C) 0.384 D) 0.8 E) 1.25

Question 2

Suppose we collect data hoping to be able to estimate the prices of commonly owned new cars (in ) from their lengths (in feet). Of these possibilities, the slope of the line of best fit is most likely to be
 
  A) 300 B) 30,000 C) 30 D) 3 E) 3000
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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leahm14

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Reply #1 on: Jul 25, 2018
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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dollx

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Reply 2 on: Jul 25, 2018
Excellent

nathang24

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Reply 3 on: Yesterday
Gracias!

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