1 Health benefits of watermelon are actually expansive and the fruit also contains traces of the mineral potassium which helps in the day to day functioning of the body.  The phytochemicals help in lowering blood pressure and the lycopene helps fight cancer and increase immunity.
census - a periodic count of the population. nose count, nosecount. counting, enumeration, numeration, count, reckoning, tally - the act of counting; reciting numbers in ascending order; the counting continued for several hours.
Definitions. 1  Sampling is the process of selecting a representative group from the population under study. 2  The target population is the total group of individuals from which the sample might be drawn. 3  A sample is the group of people who take part in the investigation.