we are exploring the research area of biostatistics where a researcher decides to analyze a specific population of interest and wher

we are exploring the research area of biostatistics where a researcher decides to analyze a specific population of interest and where the researcher defines both the population and the objective of the analysis. Researchers often select a sample of adults in a specific demographic and/or geographic area to assess the issues they have identified and is known as the field of epidemiology.  The goal of epidemiology researcher to study health and illness in human populations and disease patterns in efforts to inform the medical community about these populations.  One of the biggest challenges is clearly defining the research question and study design.Explain the importance of collecting a random sample from an appropriate population.

Be sure to support your statements with logic and argument, use at least two peer reviewed articles and cite them to support your statements.