Question

Random sampling is not Haphazard sampling. Comment.

Answer 1

Following shows the difference between Random Sampling and Haphazard Sampling.

$\begin{array}{cccc}& \text{Random Sampling}& & \text{Haphazard Sampling}\\ \text{(i)}& \text{Random sampling is in accordance}& \text{(i)}& \text{Haphazard sampling is not in}\\ & \text{with the rules of sampling.}& & \text{accordance with the rules of sampling.}\\ \text{(ii)}& \text{Random sampling allows every}& \text{(ii)}& \text{Haphazard sampling does not allow}\\ & \text{item an equal chance (or equal}& & \text{every item an equal chance (or equal}\\ & \text{probability) of being selected in the}& & \text{probability) of being selected in the}\\ & \text{sample}.& & \text{sample}.\end{array}$