Which of the following statements about 'Simple Random Sampling' is true?
Simple random sampling is done by assigning a number to each of the units in the sampling frame. A table of random numbers is used. With this procedure, each unit has an equal chance of being drawn in the sample. It provides the greatest number of possible samples. Ref: Park's Textbook of Preventive and Social Medicine By K. Park, 19th Edition, Page 702; Research Methodology: Methods and Techniques By C. R. Kothari, 2nd Edition, Page 60