MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The ogives shown are based on U.S. Census data and show the average annual personal income per capita for each of the 50 states. The data are rounded to the nearest thousand dollars.

(a) How many states have average per capita income less than 37.5 thousand dollars?


(b) How many states have average per capita income between 42.5 and 52.5 thousand dollars?


(c) What percentage of the states have average per capita income more than 47.5 thousand dollars?

(i) Ogive
Personal Income per Capita by State
Cumulative
frequency
50
49
45
40-
34
30
20-
16
10
Per capita income
($1000)
32.5
42.5
27.5
37.5
47.5
52.5
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Transcribed Image Text:(i) Ogive Personal Income per Capita by State Cumulative frequency 50 49 45 40- 34 30 20- 16 10 Per capita income ($1000) 32.5 42.5 27.5 37.5 47.5 52.5
(ii) Ogive Showing Cumulative Percentage of Data
Personal Income per Capita by State
Percent
of states
100%
98%
100
90%
90
68%
70
60
50
40
32%
30
10
0%.
Per capita income
($1000)
27.5
32.5
47.5
52.5
37.5
42.5
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Transcribed Image Text:(ii) Ogive Showing Cumulative Percentage of Data Personal Income per Capita by State Percent of states 100% 98% 100 90% 90 68% 70 60 50 40 32% 30 10 0%. Per capita income ($1000) 27.5 32.5 47.5 52.5 37.5 42.5
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