The range (in km/hr) is: O A. 200 о В. 100 O C. 150 O D. 300

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4CGP
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Consider the grouped frequency distribution below, in which the speed
(in km/hr) of 40 cars are presented.
Freq, f Midpoint,
Class
fm
fm?
Cum. Freq
(km/hr)
m
80 < 100
4
90
360
32400
4
100 < 120 9
120 < 140 13
140 < 160 9
110
108900 13
130
1690
26
202500 s
144500 40
Σfm2
R
1350
160 < 180 5
170
850
40
Σfm
---
The range (in km/hr) is:
O A. 200
В. 100
О С 150
O D. 300
Transcribed Image Text:Consider the grouped frequency distribution below, in which the speed (in km/hr) of 40 cars are presented. Freq, f Midpoint, Class fm fm? Cum. Freq (km/hr) m 80 < 100 4 90 360 32400 4 100 < 120 9 120 < 140 13 140 < 160 9 110 108900 13 130 1690 26 202500 s 144500 40 Σfm2 R 1350 160 < 180 5 170 850 40 Σfm --- The range (in km/hr) is: O A. 200 В. 100 О С 150 O D. 300
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