Question

If we use the sample data in Exercise 2, we get this 95% confidence interval estimate: 1.0 mi/gal < µd< 3.8 mi/gal. Treating the same data as independent samples yields —7.8 mi/gal < µ1 - µ2< 12.6 mi/gal for a 95% confidence level.
What is the difference between interpretations of these two confidence intervals?


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  • CreatedMay 03, 2015
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