Math Solutions

[Solution Library] Farm Sizes The average farm size in the United States is 444 acres. A random sample of 40 farms in Oregon indicated a mean size of 430

Question: Farm Sizes The average farm size in the United States is 444 acres. A random sample of 40 farms in Oregon indicated a mean size of 430 acres, and the population standard deviation is 52 acres. At \(\alpha=0.05\), can it be concluded that the average farm in Oregon differs from the national mean? Use the \(P\) -value method.

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