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Determine that the variance is greater than desired value

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Question: Manufacturing and Product Development In an effort to improve efficiency, Samuel Adams brewing company would like to produce yeast slurry with variance no greater than 62.5. A new delivery pump was installed, and a random sample of 10 slurry mixtures was obtained. Each mixture was measured in billion cells/ml and the sample variance was s2 = 70.1. Is there any evidence to suggest the variance is greater than the desired value? Assume normality and use a = 0.01. Write a Solution Trail for this problem.

Reference no: EM131751421

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