Mathematics, 17.04.2020 22:17 bri9263

An agricultural researcher plants 25 plots with a new variety of corn. A 90% confidence interval for the average yield for these plots is found to be 162.72 ± 4.47 bushels per acre. What would produce a confidence interval with a smaller margin of error than this one?

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An agricultural researcher plants 25 plots with a new variety of corn. A 90% confidence interval for...