normal distribūtion. 13. Archaeology: Tree Rings At Burnt Mesa Pueblo, the method of tree-ring dating gave the following years A.b. 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% 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? a) Yes or No? b) Interval: c) We are is between to % confident that the to

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