A random sample of the number of farms (in thousands) in various states follows. Estimate the mean number of farms per state with 95% confidence. Assume σ=31. Round intermediate and final answers to...

A random sample of the number of farms (in thousands) in various states follows. Estimate the mean number of farms per state with 95% confidence. Assume σ=31. Round intermediate and final answers to one decimal place. Assume the population is normally distributed.

68, 16, 48, 79, 44, 49, 3, 90, 80, 9, 57, 8, 4, 64, 33, 54, 95, 47, 50, 40, 109.

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