Math 246 Project 7 Sample KEY (1)

# Math 246 Project 7 Sample KEY (1) - KEY Project 7 Chapter 9...

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KEY Project 7 Chapter 9 Use complete sentences when appropriate; u se complete mathematical sentences when appropriate. Failure to do so may result in a lower score. S how all your work. Indicate clearly the methods you use, because you will be graded on the correctness of your methods as well as on the accuracy of your results and explanation. If you present parallel solutions , I will grade the lesser of the two. 1. A soft-drink manufacturer is worried that its filling machine is underfilling the bottles that are supposed to have 19.2 ounces. The quality-control manager takes a random sample of 20 bottles from the production line and obtains: 18.9 18.9 19 18.9 19.2 19 19 19.2 19 19.3 18.9 19.1 18.7 18.5 19 19.3 18.8 19.1 19.5 19 a. Use the data to compute a point estimate for the population mean for the content of the bottles produced by the manufacturer. (Read the MINITAB output) The point estimate for the population mean for the content of bottles produced by the manufacturer is 19.015 ounces.

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