2. Table Q2 shows the results of a survey of spot speed on Guzelyurt – Lefke highway. Table Q2 Speed class |(kph) 35-45 Ave speed (kph) 40 Number of observations 3 45-55 50 14 55-65 60 61 65-75 70 100 75-85 80 126 85-95 90 148 95-105 100 97 105-115 110 40 115-125 120 34 125-135 130 25 135-145 140 10 145-155 150 2 155-165 160 165-175 170 Therefore; Find the modal speed (i) (ii) Calculate the time mean speed (iii) Find the standard deviation (iv) (v) Find the median speed Find the 15 percentile and 85 percentile speeds

2. Table Q2 shows the results of a survey of spot speed on Guzelyurt – Lefke highway. Table Q2 Speed class |(kph) 35-45 Ave speed (kph) 40 Number of observations 3 45-55 50 14 55-65 60 61 65-75 70 100 75-85 80 126 85-95 90 148 95-105 100 97 105-115 110 40 115-125 120 34 125-135 130 25 135-145 140 10 145-155 150 2 155-165 160 165-175 170 Therefore; Find the modal speed (i) (ii) Calculate the time mean speed (iii) Find the standard deviation (iv) (v) Find the median speed Find the 15 percentile and 85 percentile speeds

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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Table Q2 shows the results of a survey of spot speed on Guzelyurt - Lefke highway.
Table Q2
Speed class
(kph)
Ave speed
(kph)
Number of
observations
35-45
40
3
45-55
50
14
55-65
60
61
65-75
70
100
75-85
80
126
85-95
90
148
95-105
100
97
105-115
110
40
115-125
120
34
125-135
130
25
135-145
140
10
145-155
150
2
155-165
160
165-175
170
Therefore;
Find the modal speed
(i)
(ii) Calculate the time mean speed
(iii) Find the standard deviation
(iv) Find the median speed
(v)
Find the 15 percentile and 85 percentile specds
2.

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