Mathematics, 08.04.2020 04:26 hellp138
A random sample of 18 fields of barley has a mean yield of 36.4 bushels per acre and standard deviation of 7.37 bushels per acre. Determine the 80% confidence interval for the true mean yield. Assume the population is approximately normal. Step 1 of 2: Find the critical value that should be used in constructing the confidence interval. Round your answer to three decimal places.
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A random sample of 18 fields of barley has a mean yield of 36.4 bushels per acre and standard deviat...
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