Which of the following is/are non random sampling methods-
<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>
Quota sampling
Stratified random sampling
Convenience sampling
Cluster sampling
Biostatistics