The value of S is:

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Consider the grouped frequency distribution below, in which the speed
(in km/hr) of 40 cars are presented.
Class
Freq, f Midpoint,
fm
fm?
Cum. Freq
(km/hr)
80 < 100 4
100 < 120 9
120 < 140 13
140 < 160 9
160 < 180 5
32400 4
108900 13
90
360
110
130
1690
Q
26
202500 s
144500 40
R
1350
170
850
40
Σfm
Σfm2
The value of S is:
O A. 27
О В. 35
О С.39
O D. 41
Transcribed Image Text:Consider the grouped frequency distribution below, in which the speed (in km/hr) of 40 cars are presented. Class Freq, f Midpoint, fm fm? Cum. Freq (km/hr) 80 < 100 4 100 < 120 9 120 < 140 13 140 < 160 9 160 < 180 5 32400 4 108900 13 90 360 110 130 1690 Q 26 202500 s 144500 40 R 1350 170 850 40 Σfm Σfm2 The value of S is: O A. 27 О В. 35 О С.39 O D. 41
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