200 people record the number of hours they work in a week. The cumulative frequency graph shows this information. a) Use the graph to find: i) the median ii) the upper quartile iii) the inter-quartile range

MATLAB: An Introduction with Applications
6th Edition
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Author:Amos Gilat
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5.
200
180
160
140
120
Cumulative
frequency 100
(sh)
80
60
A
40
20
0
0
10
20
ii) the upper quartile
40
30
50
Number of hours worked (h)
iii) the inter-quartile range
60
70
200 people record the number of hours they work in a week. The cumulative frequency graph
shows this information.
a) Use the graph to find:
i) the median
80
iv) the number of people who work more than 60 hours in a week
Transcribed Image Text:5. 200 180 160 140 120 Cumulative frequency 100 (sh) 80 60 A 40 20 0 0 10 20 ii) the upper quartile 40 30 50 Number of hours worked (h) iii) the inter-quartile range 60 70 200 people record the number of hours they work in a week. The cumulative frequency graph shows this information. a) Use the graph to find: i) the median 80 iv) the number of people who work more than 60 hours in a week
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