____ 1. Census is the enumeration of an entire population of a defined area. ____ 2. Population is the universe of units from which a sample is to be selected. ____ 3. Hypothesis is an Informed speculation, which is set up to be tested about the possible relationship between two or more variables. ____ 4. Heart is a hollow muscular organ that pumps the blood through the circulatory system. ____ 5. Road is a way that leads from one place to another.