Final answer:
The percentage of entering collegians who stated that it is very important or essential to become very well-off financially was not provided in the given information.
Step-by-step explanation:
In 2014, the percentage of entering collegians who stated that it is very important or essential to become very well-off financially was not provided in the given information. Therefore, none of the options (a) 10%, (b) 25%, (c) 50%, or (d) 75% can be considered as the correct answer.
It's important to note that the given information discusses the percentage of the population in the United States with different levels of education, not the financial aspirations of entering collegians.