Frances conducted an informal survey among the women living in her sorority house. One of the questions asked, "How many drinks do you have per week?" Frances found that the results for this question were negatively skewed. What does this mean?

Almost nobody in the house drinks a lot.
The women probably lied.
Most women in the house drink a lot, but a few don't drink at all.
Most women in the house only drink a little, but a few drink a lot.