Indirect procurement requires a different balance of disciplined processes and technology, engagement with stakeholders and diverse expertise across a range of suppliers. Overall: Within the indirect supply market there are hundreds of categories, all of which require deep knowledge to procure effectively.
Sociologists use the term social stratification to describe the system of social standing. Social stratification refers to a societyâs categorization of its people into rankings of socioeconomic tiers based on factors like wealth, income, race, education, and power. You may remember the word âstratificationâ from geology class.
Stratification is the process of dividing members of the population into homogeneous subgroups before sampling. The strata should be mutually exclusive: every element in the population must be assigned to only one stratum.The strata should also be collectively exhaustive: no population element can be excluded.t can produce a weighted mean that has less variability than the arithmetic mean of a simple random sample of the population. In computational statistics, stratified sampling is a method of variance reduction when Monte Carlo methods are used to estimate population statistics from a known population.