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Chocolate contains the caffeine-like stimulant theobromine. A chemist working with a chocolate company performed five theobromine...

Chocolate contains the caffeine-like stimulant theobromine. A chemist working with a chocolate company performed five theobromine analytical tests on the same chocolate sample. The results of five determinations were found as follows (units in % theobromine): 1.3, 1.2, 1.0, 0.98, 1.4. If the mean of the results is 1.2%, What is the confidence interval at the 95% level that can be reported for the trials?

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