Hypothesis Test Stonehenge’s main ditch was dug in a series of segments Excavations at the base of t

Hypothesis Test

Stonehenge’s main ditch was dug in
a series of segments Excavations at the base of the ditch uncovered a number
of antlers which bore signs of heavy use These antlers could have been used by
the builders as picks or rakes The fact that no primary silt was discovered
beneath the antlers suggests that they were buried in the ditch shortly after
its completion Another researcher, Phillip Corbin, using an archeological
markings approach, had previously claimed that the mean date for the
construction of the ditch was 2950 BC A sample of nine age estimates from
unshed antlers excavated from the ditch produced a mean of 30331 BC, with
standard deviation 669 years Assume that the ages are normally distributed
with no obvious outliers At a significance level, alpha = 005 significance
level, is there any reason to dispute Corbin’s claim?

 

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