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
Sampling is based on similar characteristics
Suitable for large heterogeneous population
Complete list of items within the sampling frame is not required
Every element in the population has an equal probability of being included