Course Name Semester Homework CVE 350- Transportation Engineering Fall 2024 1 Problem: Determining Speed Characteristics from a Set of Speed Data [10 points] The table below shows the speed data collected on an urban highway during a traffic speed study. Develop the frequency histogram and the frequency distribution of the data and determine: 1. The arithmetic mean speed 2. The standard deviation 3. The median speed 4. The pace (range within which most vehicles are traveling) 5. The mode or modal speed 6. The 85th-percentile speed Car Speed Car Speed Car Speed Car Speed No. (km/h) No. (km/h) No. (km/h) No. (km/h) 1 32.5 13 44.6 25 48.7 37 52 2 40.1 14 49.3 26 50.6 38 59 3 36.4 15 47.2 27 55.4 39 54.3 4 50.8 16 52.1 28 53.1 40 61 5 38.9 17 42.7 29 60.2 41 47.7 6 55.5 18 44.2 30 49.9 42 58.2 7 43.3 19 51 31 57.5 43 46.9 46.8 20 47.9 32 62.5 44 50 9 39.7 21 41.5 33 40.8 45 48.3 10 50.2 22 11 56.4 23 12 34.7 24 222 53.6 34 44.5 46 45.4 50.9 35 58.3 47 51.9 48.4 36 49.2 48 60.1
Course Name Semester Homework CVE 350- Transportation Engineering Fall 2024 1 Problem: Determining Speed Characteristics from a Set of Speed Data [10 points] The table below shows the speed data collected on an urban highway during a traffic speed study. Develop the frequency histogram and the frequency distribution of the data and determine: 1. The arithmetic mean speed 2. The standard deviation 3. The median speed 4. The pace (range within which most vehicles are traveling) 5. The mode or modal speed 6. The 85th-percentile speed Car Speed Car Speed Car Speed Car Speed No. (km/h) No. (km/h) No. (km/h) No. (km/h) 1 32.5 13 44.6 25 48.7 37 52 2 40.1 14 49.3 26 50.6 38 59 3 36.4 15 47.2 27 55.4 39 54.3 4 50.8 16 52.1 28 53.1 40 61 5 38.9 17 42.7 29 60.2 41 47.7 6 55.5 18 44.2 30 49.9 42 58.2 7 43.3 19 51 31 57.5 43 46.9 46.8 20 47.9 32 62.5 44 50 9 39.7 21 41.5 33 40.8 45 48.3 10 50.2 22 11 56.4 23 12 34.7 24 222 53.6 34 44.5 46 45.4 50.9 35 58.3 47 51.9 48.4 36 49.2 48 60.1
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
Problem: Determining Speed Characteristics from a Set of Speed Data
The table below shows the speed data collected on an urban highway during a traffic speed
study. Develop the frequency histogram and the frequency distribution of the data and
determine:
1. The arithmetic mean speed
2. The standard deviation
3. The median speed
4. The pace (range within which most vehicles are traveling)
5. The mode or modal speed
6. The 85th-percentile speed
![Course Name
Semester
Homework
CVE 350- Transportation Engineering
Fall 2024
1
Problem: Determining Speed Characteristics from a Set of Speed Data [10 points]
The table below shows the speed data collected on an urban highway during a traffic speed
study. Develop the frequency histogram and the frequency distribution of the data and
determine:
1. The arithmetic mean speed
2. The standard deviation
3. The median speed
4. The pace (range within which most vehicles are traveling)
5. The mode or modal speed
6. The 85th-percentile speed
Car
Speed Car
Speed
Car Speed
Car
Speed
No.
(km/h)
No.
(km/h)
No.
(km/h) No.
(km/h)
1
32.5
13
44.6
25
48.7
37
52
2
40.1
14
49.3
26
50.6
38
59
3
36.4
15
47.2
27
55.4
39
54.3
4
50.8
16
52.1
28
53.1
40
61
5
38.9
17
42.7
29
60.2
41
47.7
6
55.5
18
44.2
30
49.9
42
58.2
7
43.3
19
51
31
57.5
43
46.9
46.8
20
47.9
32
62.5
44
50
9
39.7
21
41.5
33
40.8
45
48.3
10
50.2
22
11
56.4
23
12
34.7
24
222
53.6
34
44.5
46
45.4
50.9
35
58.3
47
51.9
48.4
36
49.2
48
60.1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2ab8249-aeda-4ea9-8a17-c1ed65c71bb7%2F9f511711-b809-4440-b9c4-3885e6188281%2Fy9nql5d_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Course Name
Semester
Homework
CVE 350- Transportation Engineering
Fall 2024
1
Problem: Determining Speed Characteristics from a Set of Speed Data [10 points]
The table below shows the speed data collected on an urban highway during a traffic speed
study. Develop the frequency histogram and the frequency distribution of the data and
determine:
1. The arithmetic mean speed
2. The standard deviation
3. The median speed
4. The pace (range within which most vehicles are traveling)
5. The mode or modal speed
6. The 85th-percentile speed
Car
Speed Car
Speed
Car Speed
Car
Speed
No.
(km/h)
No.
(km/h)
No.
(km/h) No.
(km/h)
1
32.5
13
44.6
25
48.7
37
52
2
40.1
14
49.3
26
50.6
38
59
3
36.4
15
47.2
27
55.4
39
54.3
4
50.8
16
52.1
28
53.1
40
61
5
38.9
17
42.7
29
60.2
41
47.7
6
55.5
18
44.2
30
49.9
42
58.2
7
43.3
19
51
31
57.5
43
46.9
46.8
20
47.9
32
62.5
44
50
9
39.7
21
41.5
33
40.8
45
48.3
10
50.2
22
11
56.4
23
12
34.7
24
222
53.6
34
44.5
46
45.4
50.9
35
58.3
47
51.9
48.4
36
49.2
48
60.1
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