3. Table below shows the data collected on a rural highway during a speed study. Developthe frequency histogram and the frequency distribution of the data and determine:1. The arithmetic mean speed2. The standard deviation3. The median speed4. The pace5. The mode or modal speed6. The 85th-percentile speedTable 4.2 Speed Data Obtained on a Rural HighwaySpeed(mi/h)Speed(mi/h)Speed(mi/h)Speed(mi/h)Car NoCar No.Car No.Car No.135.123242546.154.252.34547.86756.02.344.04647.16849.145.84734.86949.2444.32657.34852.47056.436.32746.84949.17148.56.54.028293057.85037.165.072737445.448.652.0742.150.136.855.85152849.59.51.83143.35352.27549.81050.83255.35448.47663.4111238,3333439.053.7555642.849.5777860.144.648.81345.23540.85748.67952.11441.13654.55841.28048.71555.13751.65948.08161.81650,254.3383951.750.36058.0828356.6176149.048.21845.44059.86241.88462.11955.24140.36348.38553.320212245.7424355.16445.98653.454.154.045.048.36544.749.54466

X=Speed of car Max speed=65.0 km/h Min speed=34.8 km/h For 16 classes, the range per class is 1.9…

3. Table below shows the data collected on a rural highway during a 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 5. The mode or modal speed 6. The 85th-percentile speed Table 4.2 Speed Data Obtained on a Rural Highway Speed (mi/h) Speed (mi/h) Speed (mi/h) Speed (mi/h) Car No. Car No. Car No. Car No. 1 2 35.1 23 24 46.1 54.2 52.3 45 47.8 67 56.0 44.0 46 47.1 68 49.1 3 45.8 25 47 34.8 69 49.2 4 44.3 26 57.3 48 524 70 56.4 36.3 54.0 42.1 50.1 27 28 29 30 46.8 49 49.1 37.1 65.0 49.5 71 72 73 48.5 57.8 50 45.4 36.8 51 52 48.6 8 55.8 74 52.0 51.8 31 43.3 53 522 75 49.8 10 11 12 50.8 38.3 32 33 34 55.3 54 55 56 48.4 76 63.4 60.1 39.0 53.7 42.8 49.5 77 78 44.6 48.8 13 45.2 35 40.8 57 48.6 79 14 41.1 36 54.5 58 41.2 80 48.7 15 16 17 55.1 37 38 39 51.6 51.7 50.3 59.8 59 48.0 50.2 54.3 81 82 83 61.8 56.6 60 58.0 48.2 62.1 61 49.0 45.4 55.2 45.7 54.1 18 40 62 63 41.8 84 19 41 40.3 483 45.9 44.7 49.5 85 53.3 53.4 20 21 42 43 55.1 45.0 64 86 65 22 54.0 44 48.3 66

3. Table below shows the data collected on a rural highway during a 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 5. The mode or modal speed 6. The 85th-percentile speed Table 4.2 Speed Data Obtained on a Rural Highway Speed (mi/h) Speed (mi/h) Speed (mi/h) Speed (mi/h) Car No. Car No. Car No. Car No. 1 2 35.1 23 24 46.1 54.2 52.3 45 47.8 67 56.0 44.0 46 47.1 68 49.1 3 45.8 25 47 34.8 69 49.2 4 44.3 26 57.3 48 524 70 56.4 36.3 54.0 42.1 50.1 27 28 29 30 46.8 49 49.1 37.1 65.0 49.5 71 72 73 48.5 57.8 50 45.4 36.8 51 52 48.6 8 55.8 74 52.0 51.8 31 43.3 53 522 75 49.8 10 11 12 50.8 38.3 32 33 34 55.3 54 55 56 48.4 76 63.4 60.1 39.0 53.7 42.8 49.5 77 78 44.6 48.8 13 45.2 35 40.8 57 48.6 79 14 41.1 36 54.5 58 41.2 80 48.7 15 16 17 55.1 37 38 39 51.6 51.7 50.3 59.8 59 48.0 50.2 54.3 81 82 83 61.8 56.6 60 58.0 48.2 62.1 61 49.0 45.4 55.2 45.7 54.1 18 40 62 63 41.8 84 19 41 40.3 483 45.9 44.7 49.5 85 53.3 53.4 20 21 42 43 55.1 45.0 64 86 65 22 54.0 44 48.3 66

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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Concept explainers

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

3. Table below shows the data collected on a rural highway during a 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
5. The mode or modal speed
6. The 85th-percentile speed
Table 4.2 Speed Data Obtained on a Rural Highway
Speed
(mi/h)
Speed
(mi/h)
Speed
(mi/h)
Speed
(mi/h)
Car No
Car No.
Car No.
Car No.
1
35.1
23
24
25
46.1
54.2
52.3
45
47.8
67
56.0
2.
3
44.0
46
47.1
68
49.1
45.8
47
34.8
69
49.2
4
44.3
26
57.3
48
52.4
70
56.4
36.3
27
46.8
49
49.1
71
48.5
6.
54.0
28
29
30
57.8
50
37.1
65.0
72
73
74
45.4
48.6
52.0
7
42.1
50.1
36.8
55.8
51
52
8
49.5
9.
51.8
31
43.3
53
52.2
75
49.8
10
50.8
32
55.3
54
48.4
76
63.4
11
12
38,3
33
34
39.0
53.7
55
56
42.8
49.5
77
78
60.1
44.6
48.8
13
45.2
35
40.8
57
48.6
79
52.1
14
41.1
36
54.5
58
41.2
80
48.7
15
55.1
37
51.6
59
48.0
81
61.8
16
50,2
54.3
38
39
51.7
50.3
60
58.0
82
83
56.6
17
61
49.0
48.2
18
45.4
40
59.8
62
41.8
84
62.1
19
55.2
41
40.3
63
48.3
85
53.3
20
21
22
45.7
42
43
55.1
64
45.9
86
53.4
54.1
54.0
45.0
48.3
65
44.7
49.5
44
66

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