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OpenStudy (anonymous):
A random sample of the number of farms (in thousands) in various states follows. Estimate the mean of farms per state with 90% confidence. 47 95 54 33 64 4 8 57 9 80 8 90 3 49 4 44 79 80 48 16 68 7 15 21 52 6 78 109 40 50 29
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