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1320 1208 1278 1180 1268 1316 1275 1317 1275 (a) Use a calculator with mean and...

1320 1208 1278 1180 1268 1316 1275 1317 1275 (a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviation s. (Round your answers to the nearest whole number.) x = A.D. s = yr (b) Find a 90% confidence interval for the mean of all tree ring dates from this archaeological site. (Round your answers to the nearest whole number.) lower limit A.D. upper limit A.D.

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orchestra answered 2 years ago
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