# 4.2: Introduction


There are various properties that make a particular brand of paper towel appealing to a consumer which may include absorbency, durability, appearance, and/or cost.  Paper towels have a variety of thicknesses and textures, and may vary in cost significantly.  Scientists must devise a plan to answer a question, utilizing the information available and creating a process that is systemic so the same tests are applied and a consistent method of measurement is utilized.  The question is, which paper towel is the best value?