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Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
Edition 6ISBN: 978-1111827021 Exercise 21
In Problems 13-19, assume that the population of x values has an approximately normal distribution.
Archaeology: Tree Rings At Burnt Mesa Pueblo, the method of tree-ring dating gave the following years A. D, for an archaeological excavation site (Bandelier Archaeological Excavation Project: Summer 1990 Excavations at Burnt Mesa Pueblo, edited by Kohler, Washington State University):
1189.1271 1267 1272 1268 1316 1275 1317 1275
(a) Use a calculator with mean and standard deviation keys to verify that the sample mean year is
1272, with sample standard deviation s 37 years.
(b) Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site.
(c) Interpretation What does the confidence interval mean in the context of this problem
Archaeology: Tree Rings At Burnt Mesa Pueblo, the method of tree-ring dating gave the following years A. D, for an archaeological excavation site (Bandelier Archaeological Excavation Project: Summer 1990 Excavations at Burnt Mesa Pueblo, edited by Kohler, Washington State University):
1189.1271 1267 1272 1268 1316 1275 1317 1275
(a) Use a calculator with mean and standard deviation keys to verify that the sample mean year is
1272, with sample standard deviation s 37 years.(b) Find a 90% confidence interval for the mean of all tree-ring dates from this archaeological site.
(c) Interpretation What does the confidence interval mean in the context of this problem
Explanation
Verified
Verified
(a)
For the given data the sample mean ...
Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase
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