If a Researcher Tested 1 000 People and Found That

If a researcher tested 1 000 people and found that women received significantly higher marks on the verbal portion of an exam than did men, this would mean that ____.

A) among the sample that was tested, women's marks were definitely higher than men's (even if the difference is very small) - though there might not be a difference in the population at large
B) among the sample that was tested, women's marks were at least 5% higher than men's - though there might not be a difference in the population at large
C) in the population at large, women's marks are likely higher than men's (even if the difference is very small)
D) in the population at large, women's marks are likely higher than men's - by a difference of at least 5%