Which of the following is/are non random sampling methods-: (A) Quota sampling, (B) Stratified random sampling, (C) Convenience sampling, (D) Cluster sampling
Answer is A. <p> Quota sampling is non-random sampling. Reference: Simple Biostatistics by Indeayan & Indrayan,1st edition,pg no:35-36 and Methods in Biostatistics by Mahajan,7 th edition,pg no:91. <\p>