Spot Speed (kph) 50.7 36.6 59.1 56.6 57.3 70.4 44.4 42.9 67.9 67.3 70.6 67.4 66.6 57.5 48 56 46.2 48.2 74.1 65.4 50.4 67.3 55.9 69.3 71.1 68.1 50.6 47.1 76.6 65 37.2 67 38.7 44.8 61 32.8 65.4 53.8 53.9 34.7 45.9 65.7 74.1 59.4 44.8 55.6 65.2 49 54.8 67 65.4 44.2 66.1 63.7 65.5 67.1 62.7 53.9 39.4 63.8 51.7 65.4 60.8 53.4
Spot Speed (kph) 50.7 36.6 59.1 56.6 57.3 70.4 44.4 42.9 67.9 67.3 70.6 67.4 66.6 57.5 48 56 46.2 48.2 74.1 65.4 50.4 67.3 55.9 69.3 71.1 68.1 50.6 47.1 76.6 65 37.2 67 38.7 44.8 61 32.8 65.4 53.8 53.9 34.7 45.9 65.7 74.1 59.4 44.8 55.6 65.2 49 54.8 67 65.4 44.2 66.1 63.7 65.5 67.1 62.7 53.9 39.4 63.8 51.7 65.4 60.8 53.4
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter1: Expressions And Functions
Section1.5: Descriptive Modeling And Accuracy
Problem 15PPS
Related questions
Question
![The following spot speed data were obtained from a provincial road.
Spot Speed (kph)
50.7
36.6
59.1
56.6
57.3
70.4
44.4
42.9
67.9
67.3
70.6
67.4
66.6
57.5
48
56
46.2
48.2
74.1
65.4
50.4
67.3
55.9
69.3
71.1
68.1
50.6
47.1
76.6
65
37.2
67
38.7
44.8
61
32.8
65.4
53.8
53.9
34.7
45.9
65.7
74.1
59.4
44.8
55.6
65.2
49
54.8
67
65.4
44.2
66.1
63.7
65.5
67.1
62.7
53.9
39.4
63.8
51.7
65.4
60.8
53.4
|a. Group and tabulate the data
b. Determine the mean and standard deviation
|c. Determine the 85th percentile speed](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fae564804-68dd-464f-88fe-48b62b5d9db3%2Fd489fef1-bf40-41b9-a2e1-000189f0776c%2Fqk2d7g9_processed.png&w=3840&q=75)
Transcribed Image Text:The following spot speed data were obtained from a provincial road.
Spot Speed (kph)
50.7
36.6
59.1
56.6
57.3
70.4
44.4
42.9
67.9
67.3
70.6
67.4
66.6
57.5
48
56
46.2
48.2
74.1
65.4
50.4
67.3
55.9
69.3
71.1
68.1
50.6
47.1
76.6
65
37.2
67
38.7
44.8
61
32.8
65.4
53.8
53.9
34.7
45.9
65.7
74.1
59.4
44.8
55.6
65.2
49
54.8
67
65.4
44.2
66.1
63.7
65.5
67.1
62.7
53.9
39.4
63.8
51.7
65.4
60.8
53.4
|a. Group and tabulate the data
b. Determine the mean and standard deviation
|c. Determine the 85th percentile speed
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Recommended textbooks for you
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![College Algebra (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652231/9781305652231_smallCoverImage.gif)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
![Algebra: Structure And Method, Book 1](https://www.bartleby.com/isbn_cover_images/9780395977224/9780395977224_smallCoverImage.gif)
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
![Glencoe Algebra 1, Student Edition, 9780079039897…](https://www.bartleby.com/isbn_cover_images/9780079039897/9780079039897_smallCoverImage.jpg)
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
![College Algebra (MindTap Course List)](https://www.bartleby.com/isbn_cover_images/9781305652231/9781305652231_smallCoverImage.gif)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
![Algebra: Structure And Method, Book 1](https://www.bartleby.com/isbn_cover_images/9780395977224/9780395977224_smallCoverImage.gif)
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
![Mathematics For Machine Technology](https://www.bartleby.com/isbn_cover_images/9781337798310/9781337798310_smallCoverImage.jpg)
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
![Holt Mcdougal Larson Pre-algebra: Student Edition…](https://www.bartleby.com/isbn_cover_images/9780547587776/9780547587776_smallCoverImage.jpg)
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL