liminary data analyses indicate that you can reasonably consider the assumptions for ng pooled t-procedures satisfied. Independent random samples of released prisoners me fraud and firearms offense categories yielded the following information on time ved, in months. Obtain a 98% confidence interval for the difference between the an times served by prisoners in the fraud and firearms offense categories. te: x₁=13.1, s₁ = 3.90, x₂ = 17.31, and s2 = 3.68.) ... Fraud 13.7 19.1 13.2 16.1 Firearms 14.2 16.5 15.3 21.1 7.5 8.7 16.3 10.1 10.5 10.9 17.4 19.2 12.8 18.5 20.7 22.3

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Preliminary data analyses indicate that you can reasonably consider the assumptions for
using pooled t-procedures satisfied. Independent random samples of released prisoners
in the fraud and firearms offense categories yielded the following information on time
served, in months. Obtain a 98% confidence interval for the difference between the
mean times served by prisoners in the fraud and firearms offense categories.
(Note: x₁ = 13.1, S₁ = 3.90, x₂ = 17.31, and s₂ = 3.68.)
The 98% confidence interval is from to
(Round to three decimal places as needed.)
Fraud
Firearms
13.7 19.1 14.2 16.5
15.3 21.1
13.2 16.1
8.7 16.3 10.1
7.5
10.5 10.9 17.4 19.2
12.8 18.5 20.7 22.3
Transcribed Image Text:Preliminary data analyses indicate that you can reasonably consider the assumptions for using pooled t-procedures satisfied. Independent random samples of released prisoners in the fraud and firearms offense categories yielded the following information on time served, in months. Obtain a 98% confidence interval for the difference between the mean times served by prisoners in the fraud and firearms offense categories. (Note: x₁ = 13.1, S₁ = 3.90, x₂ = 17.31, and s₂ = 3.68.) The 98% confidence interval is from to (Round to three decimal places as needed.) Fraud Firearms 13.7 19.1 14.2 16.5 15.3 21.1 13.2 16.1 8.7 16.3 10.1 7.5 10.5 10.9 17.4 19.2 12.8 18.5 20.7 22.3
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