Random sampling is crucial for data collection to accurately represent a larger population. The document raises concerns about the validity of sampling methods and the presence of bias. It suggests revising methodologies to enhance randomization in sampling.

1. Random sampling is very important if the data you collected are meant to represent a larger
population. Do you have any questions or concerns about the validity of the sampling method? If
bias exists, how might you alter your methods to randomize the samples? Provide an improved
(detailed) methodology.