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Mathematics, 21.02.2020 20:40 cireland

Suppose the method of tree ring dating gave the following dates A. D. for an archaeological excavation site. Please show your work.

1245 1245 1321 1191 1295 1330 1239 1250 1228

a) Find the sample mean.

b) Find the sample standard deviation.

c) Which distribution is appropriate for determining a confidence interval? z or t?

d) Determine a 95% confidence interval for the mean of all tree ring dates from this archaeological site.

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Suppose the method of tree ring dating gave the following dates A. D. for an archaeological excavati...

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