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Author Question: Answer the question using the value of r and the given best-fit line on the scatter diagram. The ... (Read 54 times)

Jkov05

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on: Jan 18, 2020

Question 1

Answer the question using the value of r and the given best-fit line on the scatter diagram.



The scatter diagram and best-fit line show 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. Predict the number of cars at time 8 after the end of classes.
◦ 5
◦ 7
◦ No valid prediction is possible.
◦ 6

Question 2

Answer the question using the value of r and the given best-fit line on the scatter diagram.



The scatter diagram and best-fit line show the data for price per item (y) and the availability of that
item (x). The correlation coefficient r is -0.95.  Predict the price per item for an availability of 3.
◦ 6.8
◦ No valid prediction is possible.
◦ 7.8
◦ 8.8
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Marked as best answer by Jkov05 on Jan 18, 2020

mk6555

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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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Jkov05

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Reply 2 on: Jan 18, 2020
Gracias!

Joy Chen

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Reply 3 on: Yesterday
Wow, this really help

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