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Author Question: A random sample of 100 cars was taken and data were recorded on the miles per gallon (mpg) in the ... (Read 217 times)

809779

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on: Apr 14, 2020
A random sample of 100 cars was taken and data were recorded on the miles per gallon (mpg) in the city
and on the highway. The mean city mpg was 28 with a standard deviation of 9.2. The mean highway mpg
was 35 with a standard deviation of 8.6. The correlation coefficient between city mpg and highway mpg is
0.95.

Determine the correct value of the slope for the linear model that predicts highway mpg from city mpg and interpret it in context.
◦ The slope is 1.016. For every one mpg increase in city mpg, the highway mpg is predicted to increase by 1.016.
◦ The slope is 0.888. For every one mpg increase in city mpg, the highway mpg is predicted to increase by 0.888.
◦ The slope is 1.016. For every one mpg increase in highway mpg, the city mpg is predicted to increase by 1.016.
◦ The slope is 0.888. For every one mpg increase in highway mpg, the city mpg is predicted to increase by 0.888.
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Marked as best answer by 809779 on Apr 14, 2020

shailee

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Reply #1 on: Apr 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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809779

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Reply 2 on: Apr 14, 2020
Excellent

amandalm

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Reply 3 on: Yesterday
Gracias!

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