Suppose the Method of Tree Ring Dating Gave the Following $\quad$

question 1

Multiple Choice

Suppose the method of tree ring dating gave the following dates A.D. for an archaeological excavation site. Find an 80% confidence interval for the mean of all tree ring dates from this archaeological site.
1273 $\quad$ 1231 $\quad$ 1173 $\quad$ 1228 $\quad$ 1191 $\quad$ 1206 $\quad$ 1194 $\quad$ 1227 $\quad$ 1261

• A)1205.3 to 1234.9
• B)1205.3 to 1235.8
• C)1206.0 to 1235.8
• D)1205.1 to 1235.8
• E)1205.3 to 1235.6

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