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ndom samgles of eleased prisoners in he dference Prdliminary dsta ealyses indlcale that you can eascnablhy 05 94 254 203 3 10


Preliminary data analyses indicate that you can reasonably consider the assumptions for using pooled t procedures satisfied.
Fraud Firearms 7.7 4.9 19.2 13.2 10.5 9.4 25.4 20.3 10.3 10.8 20.7 24.6 4.3 8.8 12.1 18.2 16.4 4.5 24.2 11.7
math   Statistics-And-Probability   
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Answer #1

The statistical software output for this problem is:

Two sample T confidence interval: : Mean of Fraud μ2 : Mean of Firearms μι-u2 : Difference between two means (with pooled var

Hence,

90% confidence interval will be:

-13.676 to -6.724

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