The test for high-density lipoprotein cholesterol (HDL-C) is used as part of a lipid profile to screen for unhealthy levels of lipids and to determine an individual's risk of developing heart disease and to help make decisions about what treatment to use if there is borderline or high risk.
statistical procedure - a method of analyzing or representing statistical data; a procedure for calculating a statistic. statistical method. method - a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps)
A 'sample' thus forms a manageable subset of a population. In positivist research, statistics derived from a sample are analysed in order to draw inferences regarding the population as a whole. The process of collecting information from a sample is referred to as 'sampling' .Sampling methods may be either 'random' (random sampling, systematic sampling, stratified sampling, cluster sampling) or non-random/ nonprobability (convenience sampling, purposive sampling, snowball sampling). 'sample' thus forms a manageable subset of a population. In positivist research, statistics derived from a sample are analysed in order to draw inferences regarding the population as a whole. The process of collecting information from a sample is referred to as 'sampling' .