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Author Question: Solve the problem. Round your answers to the nearest whole percent.The scatter diagram shows the ... (Read 108 times)

serike

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on: Jan 18, 2020

Question 1

Solve the problem. Round your answers to the nearest whole percent.



The scatter diagram shows the data for the prices of a stock (y) and U.S. employment (x).  The correlation coefficient r is 0.8.  Determine how much of the variation in the stock price can be accounted for by the best-fit line.
◦ 64%
◦ 20%
◦ 80%
◦ 36%

Question 2

Solve the problem. Round your answers to the nearest whole percent.



The scatter diagram shows the data for the number of cars waiting by a school (y) and the amount of time after the end of classes (x).  The correlation coefficient r is -0.55.   Determine how much of the variation in the  number of waiting cars can be accounted for by the best-fit line.
◦ 30%
◦ 45%
◦ 70%
◦ 20%
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
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Marked as best answer by serike on Jan 18, 2020

irishcancer18

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Reply #1 on: Jan 18, 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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serike

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Reply 2 on: Jan 18, 2020
Gracias!

amandanbreshears

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

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