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8.3 The peak-hour traffic volume and the daily traffic volume on a given highway bridge have been observed for 7 days. The observed data are as shown below: (a) Plot a graph showing the peak-hour traffic volume vs. the daily traffic volume. (b) Estimate the correlation coefficient between the peak-hour traffic volume and the daily traffic volume.

8.3 The peak-hour traffic volume and the daily traffic volume on a given highway bridge have been observed for 7 days. The observed data are as shown below: (a) Plot a graph showing the peak-hour traffic volume vs. the daily traffic volume. (b) Estimate the correlation coefficient between the peak-hour traffic volume and the daily traffic volume.

MATLAB: An Introduction with Applications
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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8.3 The peak-hour traffic volume and the daily traffic volume on a given highway bridge have been observed for 7 days. The observed data are as shown below: (a) Plot a graph showing the peak-hour traffic volume vs. the daily traffic volume. (b) Estimate the correlation coefficient between the peak-hour traffic volume and the daily traffic volume.
Transcribed Image Text:8.3 The peak-hour traffic volume and the daily traffic volume on a given highway bridge have been observed for 7 days. The observed data are as shown below: (a) Plot a graph showing the peak-hour traffic volume vs. the daily traffic volume. (b) Estimate the correlation coefficient between the peak-hour traffic volume and the daily traffic volume.
(c) Suppose that the total traffic count on a given day has been observed to be 55,000 vehicles. What is the probability that the peak-hour traffic volume on that day exceeded 7000 vehicles per hour? (Hint: Use an appropriate regression analysis.) X Peak-hour Traffic Volume (in 1000) 1.5 4.6 3.0 5.5 7.8 6.8 6.3 Y Daily traffic volume (in 10,000) 0.6 3.4 2.5 2.8 4.8 6.4 5.0
Transcribed Image Text:(c) Suppose that the total traffic count on a given day has been observed to be 55,000 vehicles. What is the probability that the peak-hour traffic volume on that day exceeded 7000 vehicles per hour? (Hint: Use an appropriate regression analysis.) X Peak-hour Traffic Volume (in 1000) 1.5 4.6 3.0 5.5 7.8 6.8 6.3 Y Daily traffic volume (in 10,000) 0.6 3.4 2.5 2.8 4.8 6.4 5.0
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