by Dr. Sultan Muhammad Khan Keywords ; What is a sample? Types of sampling, Probability and Non-probability sampling, Simple Random Sample, Systematic Random Sample, Stratified sample, cluster sample, Convenience Sampling, Quota Sampling, purposive sample, snowball sample, Sampling What is a sample? A sample is a finite part of a statistical population whose properties are studied to gain information about the whole(Webster, 1985). When dealing with people, it can be defined as a set of respondents (people) selected from a larger population for the purpose of a survey. A population is a group of individuals’ persons, objects, or items from which samples are taken for measurement for example a population of presidents or professors, books etc Sampling Rationale • Explain the reasoning behind proposed sample locations, number of samples, types of analyses, • Sampling is the process of selecting units (e.g., people, organization
Education Awareness And Research