The spread of the data is from 14 to 33 years. So, the correct option is:
B. 14 to 33 years.
The spread of the data refers to the range, which is the difference between
the maximum and minimum values in the dataset.
In this case, the minimum value is 14, and the maximum value is 33.
Therefore, the spread of the data is from 14 to 33 years.
So, the correct option is:
B. 14 to 33 years.