The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets. Speed s Accident rate R 20 1600 25 600 30 200 35 300 40 800 45 1250 (A) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.) R =
The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a function of vehicular speed s, in miles per hour, for commercial vehicles driving at night on urban streets. Speed s Accident rate R 20 1600 25 600 30 200 35 300 40 800 45 1250 (A) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.) R =
Chapter3: Polynomial Functions
Section: Chapter Questions
Problem 18T
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The following table shows the rate R of vehicular involvement in traffic accidents (per 100,000,000 vehicle-miles) as a
| Speed s | Accident rate R |
|---|---|
| 20 | 1600 |
| 25 | 600 |
| 30 | 200 |
| 35 | 300 |
| 40 | 800 |
| 45 | 1250 |
(A) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.)
R =
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