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 25 700 30 350 35 250 40 650 45 1350
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 25 700 30 350 35 250 40 650 45 1350
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 | 700 |
| 30 | 350 |
| 35 | 250 |
| 40 | 650 |
| 45 | 1350 |
(a) Use regression to find a quadratic model for the data. (Round the regression parameters to two decimal places.)
(b) Calculate
R(65).
(Round your answer to two decimal places.)
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