lily539711
lily539711
09.04.2021 • 
Business

The mean annual premium for automobile insurance in the United States is $1503 (Insure.com website, March 6, 2014). Being from Pennsylvania, you believe automobile insurance is cheaper there and wish to develop statistical support for your opinion. A sample of 25 automobile insurance policies from the state of Pennsylvania showed a mean annual premium of $1440 with a standard deviation of s = $165. If required, enter negative values as negative numbers.
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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