Read the descriptions of sA company is creating a new type of insect repellant clothing. Their goal is to make clothing that is as effective at repelling insects as a spray that they currently sell. A random sample of 50 adults participate in a study. Half of the participants are randomly chosen to wear the new clothing, and the other half use the spray. All participants spend 60 minutes outside, and the number of insect bites is recorded for each person. What is the variable of interest? The number of insect bites. The amount of repellant spray used. The two different types of repellant. The number of participants in the study