how isnt this A?

Consider the lengths of alligators to be { 18.7, 12.3, 18.6, 16.4, 15.7, 18.3, 15.8, 14.9, 17.6, 16.4, 16.7, 17.8, 16.2, 13.8, 15.2, 14.7, 13.2, 15.8, 14.6, 16.6, 16.2, 18.1, 17.5, 17.3} According to the Empirical Rule, 68% of the data should fall between what two numbers?

A. 12.78 and 16.4
B. 13 and 16
C. 14.5 and 17.9
D. 15.7 and 16.3

Question

how isnt this A? 

Consider the lengths of alligators to be { 18.7, 12.3, 18.6, 16.4, 15.7, 18.3, 15.8, 14.9, 17.6, 16.4, 16.7, 17.8, 16.2, 13.8, 15.2, 14.7, 13.2, 15.8, 14.6, 16.6, 16.2, 18.1, 17.5, 17.3}   According to the Empirical Rule, 68% of the data should fall between what two numbers?

A. 12.78 and 16.4
B. 13 and 16
C. 14.5 and 17.9
D. 15.7 and 16.3

howard-wolowitz · Answer

To avoid confusion, What I'm asking is how isnt the answer to this question A? I think it is A, but people keep telling me its not