Shaft graves in ancient Greece. Refer to the American Journal of Archaeology (Jan. 2...

Shaft graves in ancient Greece. Refer to the American Journal of Archaeology (Jan. 2014) study of sword shaft graves in ancient Greece, Exercise 2.37 (p. 50). The number of sword shafts buried at each of 13 recently discovered grave sites is reproduced in the following table.

a. Calculate the mean of the data. Interpret the result.

b. Calculate the median of the data. Interpret the result.

c. Find the mode of the data. Interpret the result.

Reference: Exercise 2.37