Final answer:
The correct spelling of the underlined word in the research question is 'inequity'. The term 'inequity' signifies unfairness or something unequal and fits the context of the question.
Step-by-step explanation:
The correct spelling of the underlined word is 'inequity'. The term 'inequity' means unfairness or something unequal, which fits the context of the question concerning educational discrepancies. The misspelled options - uniquity, uneqity, ineqity - are not valid words in English.
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