What is a point estimate of the difference between the mean annual premium in pennsylvania and the national mean (to the nearest dollar)?

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18-10-2017
Mathematics

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What is a point estimate of the difference between the mean annual premium in pennsylvania and the national mean (to the nearest dollar)?

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nobillionaireNobley nobillionaireNobley · Answer 1 · 2017-10-25T20:58:39+02:00

nobillionaireNobley nobillionaireNobley

25-10-2017

Given that the mean annual premium for automobile insurance in the United States is $1503 and that a sample of 25 automobile insurance policies from the state of Pennsylvania showed a mean annual premium of $1440

Then the point estimate of the difference between the mean annual premium in pennsylvania and the national mean (to the nearest dollar) is $1,440 - $1,503 = -$63.

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