Final answer:
The word 'minority' means a smaller number or part, as compared to the whole.
Step-by-step explanation:
In the given sentence, the word 'minority' means 'a smaller number or part, as compared to the whole'.
It is used to indicate that the people who wanted to take the math test early were not the majority, but rather constituted a smaller group within the class.
For example, if there were 30 students in the class, and only 5 of them wanted to take the math test early, those 5 students would be the minority.
Learn more about Meaning of vocabulary words