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Mathematics, 25.06.2020 02:01 unknown9263
A random sample of 9 fields of corn has a mean yield of 38.2 bushels per acre and standard deviation of 9.66 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 9 fields of corn has a mean yield of 38.2 bushels per acre and standard deviation...
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