Sleep apnea is a disorder in which you have one or more pauses in breathing or shallow breaths while you sleep. In a cross-sectional study of 420 adults who suffer from sleep apnea, it was found that 210 had gum disease. Note In the general population, about 17.5% of individuals have gum disease. Complete parts (a) through (c) below. A. The proportion of gum disease present in those with sleep apnea OB. Whether a person has sleep apnea or not OC. Whether a person has gum disease or not CITE Whether a person with sleep apnea has gum disease or not Determine whether the variable in question is qualitative or quantitative. Choose the correct answer below. OA. The variable is quantitative because it can be numerically measured. can ho numerically measured