he method of tree ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population of x values has an approximately normal distribution. 1,264 1,180 1,187...


he method of tree ring dating gave the following years A.D. for an archaeological excavation site. Assume that the population ofx values has an approximately normal distribution.

















1,2641,1801,1871,3131,2681,3161,2751,3171,275



(a) Use a calculator with mean and standard deviation keys to find the sample mean year x and sample standard deviations. (Round your answers to four decimal places.)











x = A.D.

s =
 yr



Jun 04, 2022
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