Use linear regression to fit the highway speed/density data shown here to the Greenshields model, and use it to determine:a. The mean free flow speedb. The jam densityThe capacityThe speed at max flowR² of this data Speed Density(mph) (veh/mi)24.130.333.640.145.647.850.655.070552320 Use linear regression to fit the highway speed/density data shown here tothe Greenshields model, and use it to determine:The mean free flow speed9b. The jam densityc. The capacityd.The speed at max flowR² of this data

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Answered: way sp the Greenshields model, and use…

way sp the Greenshields model, and use it to determine: The mean free flow speed The jam density b. c. The capacity d. The speed at max flow e. R² of this data

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Use linear regression to fit the highway speed/density data shown here to the Greenshields model, and use it to determine: a. The mean free flow speed b. The jam density The capacity The speed at max flow R² of this data

Speed Density
(mph) (veh/mi)
24.1
30.3
33.6
40.1
45.6
47.8
50.6
55.0
70
55
23
20

Use linear regression to fit the highway speed/density data shown here to
the Greenshields model, and use it to determine:
The mean free flow speed
9
b. The jam density
c. The capacity
d.
The speed at max flow
R² of this data

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Step 1: Determine the mean free speed, jam density, capacity and speed at minimum flow

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Step 2: Determine the mean free speed, jam density, capacity and speed at minimum flow

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Step 3: Value of b

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Step 4: Calculate jam density, maximum capacity and maximum flow

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Step 5: Calculation of R square

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Step 6: Calculate R square

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