21.7 11.5 68.5 345.5 321.2 244.3 47.3 87.0 26.3 24.4 29.0
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 25EQ
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![Cloud seeding, a process in which chemicals such as silver iodide and frozen carbon dioxide are introduced by aircraft into clouds to
promote rainfall was widely used in the 20-th century. Recent research has questioned its effectiveness [Journal of Atmospheric
Research (2010, Vol. 97 (2), pp. 513-525)]. An experiment was performed by randomly assigning 52 clouds to be seeded or not. The
amount of rain generated was then measured in acre-feet. Here are the data for the unseeded and seeded clouds:
Unseeded:
81.2
26.1 95.0 41.1 28.6 21.7 11.5 68.5 345.5 321.2
1202.6 1.0 4.9 163.0 372.4 244.3 47.3 87.0 26.3
24.4
830.1 4.9 36.6 147.8 17.3 29.0
Seeded:
274.7 302.8 242.5 255.0 17.5 115.3 31.4 703.4
334.1
430.0
1697.8 118.3 198.6 129.6 274.7 119.0 1656.0 7.7
40.6 92.4 200.7 32.7 4.1 978.0 489.1 2745.6
Construct a frequence distribution for the combined cloud-seeding rain measurements. Use 6 bins.
Class
Frequency
-250 < x < 250
250 < x < 750
750 < x < 1250
1250 < x < 1750
1750 < x < 2250
2250 < x < 2750](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F844f36b2-dadc-4b67-b29f-70387e2f5e38%2Fb075eda4-da51-47bd-af1a-f9a59bd8ada7%2F2lb77vr_processed.png&w=3840&q=75)
Transcribed Image Text:Cloud seeding, a process in which chemicals such as silver iodide and frozen carbon dioxide are introduced by aircraft into clouds to
promote rainfall was widely used in the 20-th century. Recent research has questioned its effectiveness [Journal of Atmospheric
Research (2010, Vol. 97 (2), pp. 513-525)]. An experiment was performed by randomly assigning 52 clouds to be seeded or not. The
amount of rain generated was then measured in acre-feet. Here are the data for the unseeded and seeded clouds:
Unseeded:
81.2
26.1 95.0 41.1 28.6 21.7 11.5 68.5 345.5 321.2
1202.6 1.0 4.9 163.0 372.4 244.3 47.3 87.0 26.3
24.4
830.1 4.9 36.6 147.8 17.3 29.0
Seeded:
274.7 302.8 242.5 255.0 17.5 115.3 31.4 703.4
334.1
430.0
1697.8 118.3 198.6 129.6 274.7 119.0 1656.0 7.7
40.6 92.4 200.7 32.7 4.1 978.0 489.1 2745.6
Construct a frequence distribution for the combined cloud-seeding rain measurements. Use 6 bins.
Class
Frequency
-250 < x < 250
250 < x < 750
750 < x < 1250
1250 < x < 1750
1750 < x < 2250
2250 < x < 2750
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