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Six measurements were made of mineral content (in percent) of spinach. It is reasonable to assume...

Six measurements were made of mineral content (in percent) of spinach. It is reasonable to assume that the population is approximately normal.

19.3 20.9 20.6 21.4 20.9 19.2

construct confidence interval for the mean mineral content, round answer to two decimal place

99.9% confidence interval for the mean mineral content is ? < u < ?

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