An analyst analyses two cans of beer each 5 times to determine the ethanol contents. The first can yielded an average of

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An analyst analyses two cans of beer each 5 times to determine the ethanol contents. The first can yielded an average of

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An analyst analyses two cans of beer each 5 times to determinethe ethanol contents. The first can yielded an average of 4.92%ethanol and the second can an average of 5.12% ethanol. spooled =0.45% for all 10 analyses. Do the data indicate a statisticaldifference in ethanol contents between the two cans of beer with99% confidence?
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