Sr.No.Census Method (survey)Sr.No.Sample Method (1)In census survey, information is collected from each and every unit of the population.(1)In sample survey, information is collected from a few selected unit of the population. (2)It is very expensive and time-consuming.(2)It is less expensive and less time-consuming. (3)It is suitable where the field of investigation is small.(3)It is suitable where the field of investigation is large. (4)It is more accurate and reliable.(4)It is less accurate and less reliable. (5)It rules out the possibility of any personal biases.(5)It holds the chance of personal biases in the selection of samples.