Question: The aluminum bottle rst introduced in 1991 by CCL Container
The aluminum bottle, ﬁrst introduced in 1991 by CCL Container for mainly personal and household items such as lotions, has become popular with beverage manufacturers. Besides being lightweight and requiring less packaging, the aluminum bottle is reported to cool faster and stay cold longer than typical glass bottles. A small brewery tests this claim and obtains the following information regarding the time (in minutes) required to chill a bottle of beer from room temperature (75°F) to serving temperature (45°F). Construct and interpret a 90% conﬁdence interval for the mean difference in cooling time for clear glass versus aluminum.
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