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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 softdrink manufacturer is worried that its filling machine is underfilling the
bottles that are supposed to have 19.2 ounces.
The qualitycontrol 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.
b.
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 Spring '10
 Applebaugh
 Math, Statistics

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