Archaeology: Tree Rings At Burnt Mesa Pueblo, the method of tree-ring dating gave the following years a.d.

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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 x < 1272, with sample standard deviation s < 37 years.

(b) Find a 90% confi dence interval for the mean of all tree-ring dates from this archaeological site.

(c) Interpretation What does the confi dence interval mean in the context of this problem?

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Understanding Basic Statistics

ISBN: 9781305548893

7th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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