Which of the following scenarios will yield a nonprobability sample?


The subjects of the sample are chosen on the basis of known probability.


Items or individuals are chosen without regard to their probability of occurrence.


Every individual has an equal chance of being selected. Selection may be with replacement or without replacement.


Decide on a sample size, n; divide the frame of N individuals into groups of k individuals where k = N/n; randomly select one individual from the first group; select every k-th individual thereafter.

Items or individuals are chosen without regard to their probability of occurrence.