Question

A random sample of 16 fields of spring wheat has a mean yield of 46.4 bushels per acre and standard deviation of 2.45bushels per acre. Determine the 80% confidence interval

for the true mean yield. Assume the population is normally distributed.49. Step 1. Find the critical value that should be used in constructing the confidence interval. (Round answer to 3 decimal places) Step 2. Construct the 80% confidence interval. (Round answer to 1 decimal place)

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