Page 3 - LN
P. 3

Sample is selected by two methods


                     Lottery Method
                     Use of Random table method


               Merits of Simple Random Sampling

                     No personal Bias
                     Based on Probability

                     Accuracy can be assessed
                     Increasingly Representative of the Population

               Demerits of Simple Random Sampling


                     Unsuitable for small sampling
                     Difficult to prepare sampling frame

                     Time Consuming
                       Types Non Random Sampling
                     Judgement Sampling

                     Quota Sampling
                     Convenience Sampling

               Judgement Sampling – Choice of sample items depends exclusively on the

               judgement of investigator.
   1   2   3   4   5