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.
In statistics, population refers to the total set of observations that can be made. For example, if we are studying the weight of adult women, the population is the set of weights of all the women in the world. If we are studying the grade point average (GPA) of students at Harvard, the population is the set of GPA's of all the students at Harvard. AP Statistics.