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Example of stratified random sampling?
In stratified sampling, the population to be sampled is divided into groups (strata), and then a simple random sample from each strata is selected. For example, a state could be separated into counties, a school could be separated into grades. These would be the 'strata'.
Example of cluster sampling?
In a cluster sample, researchers divide subjects into strata (like cities, for example), randomly select a few strata (draw the names of a few cities from a hat) and sample every subject in those strata (question everyone in that city.) A significant disadvantage is that you may select strata that completely overlook a feature relevant to your study.
Are laccoliths an example of intrusive igneous activity?
Yes they are. Laccoliths can lift the sedementary strata they penetrate. Laccoliths are igneous rock forcibly injected between sedimentary strata.
When was Strata - Strata album - created?
Strata - Strata album - was created on 2004-07-27.
What is the English plural form of stratum?
The plural for stratum is strata.
When was Strata - company - created?
Strata - company - was created in 1984.
When was Social Strata created?
Social Strata was created in 1996.
When was Strata Marcella created?
Strata Marcella was created in 1170.
When did Strata Marcella end?
Strata Marcella ended in 1536.
How is a trilobite fossil and the age of the rock which it is found an example of how evolutionists use circluar reasing?
If the age of a certain rock strata is found by the use of isotopic methods and another nearby strata is found to contain trilobite fossils, assuming there is no unconformity between the two strata we can infer the approximate age of the trilobites within certain parameters.
What are Strata Management Services?
Strata management services are the professional services provided by strata managers to the owners corporations of strata schemes. The services provided by strata managers include the administration and management of the common property, the preparation and circulation of meeting agendas and minutes, the collection and payment of strata levies, the coordination of maintenance and repairs, and the provision of advice to owners corporations on a range of strata-related matters.
What is the relation of strata in building foundation?
Strata is base where foundation is to laid' and depends weather it is soft soil, hard rock strata
