Refer to the American Journal of Archaeology (Jan. 2014) study of sword shaft graves in ancient Greece,
Question:
a. Use statistical software to find the sample standard deviation, s.
b. Calculate the test statistic.
c. Use statistical software to find the p-value of the test. Interpret the result.
d. Assume the sample grave with 9 sword shafts was discovered to be an outlying observation by the researchers, i.e., one from a different population. Remove the data point from the sample and repeat parts a-c. What conclusions can you now draw?
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