10.43 Find the 90% confidence interval for the difference between two means based on this information about...
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10.43 Find the 90% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations.
Sample Number Mean Std. Dev.
1 20 35 22 2 15 30 16
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Related Book For 
Just The Essentials Of Elementary Statistics
ISBN: 9780495314875
10th Edition
Authors: Robert Johnson, Patricia Kuby
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