Two analysts measure the percentage of ammonia in a chemical process over 9 days and find the
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Two analysts measure the percentage of ammonia in a chemical process over 9 days and find the following discrepancies between their results:
Investigate the mean discrepancy θ between their results and in particular give an interval in which you are 90% sure that it lies.
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1 2 3 4 9 Day 5 6 7 8 Analyst A 12.04 12.37 12.35 12.43 12.34 12.36 12.48 12.33 12.33 Analyst B 12.18 12.37 12.38 12.36 12.47 12.48 12.57 12.28 12.42
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