Sentence:  The score for <WSD>Unhyphenated</WSD> white men, 36.0, falls just about midway between all white men and black men; the mean prestige score for <WSD>Unhyphenated</WSD> white women is 33.6, is considerably closer to the level for black women than all white women. 
Meaning of the word marked with <WSD> tags:  Of people, belonging to a single ethnicity or nationality: names for multi-ethnic/multi-nationality groups generally require a hyphen to connect the names being combined.