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A producer of beverage containers wants to ensure that a liquid at 90C will lose no more than 6 C after 30 minutes. Containers are selected at random and subjected to testing. Historical data shows the standard deviation to be .3 C. The quality control team has set 5.5 C and 6.5 as the specification limits. Here are the data from the last 12 containers tested. Complete parts a through g.




