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Chapter 11: Confidence Intervals – Large Samples
Figure 11- 11:
Workbook Output with the Confidence Interval
for
Example 11-7
Sometimes data are available instead of summary information as in
Examples 7-6
and
11-7
. Following is an example where data is given.
Example 11-8:
A survey was done on a university campus to determine an
estimate for the average weight for the backpack carried around on the
campus by the students. These backpacks usually contain the books,
computers and other necessary items for their classes. Following are the
weights of a sample of forty such backpacks.
Click here for the Large Sample Confidence Interval for a Single Population Mean Workbook