6.21 Liquid water enhancers. Bottled water, flavored and plain, is expected to become the largest segment of the liquid refreshment market by the end of the decade, surpassing traditional carbonated soft drinks. Kraft’s MiO, a liquid water enhancer, comes in a variety of flavors, and a few drops added to water gives a zero-calorie, flavored water drink. You wonder if those who drink flavored water like the taste of MiO as well as they like the taste of a competing flavored water product that comes ready to drink. Describe a matched pairs design to answer this question. Be sure to include any blinding of your subjects. What is your response variable going to be?