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Is a stratified random sample preferable to a simple random sample when there are known subgroups within the population that the researcher thinks may inpact the results?
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A survey was mailed to a total of 400 students 100 were randomly selected from each of the freshman sophomore junior and senior classes last semester What sampling method was used?
Stratified Sampling Method Stratified sampling is a probability sampling technique wherein the researcher divides the entire population into different subgroups or strata, then randomly selects the final subjects proportionally from the different strata.
When dividing a population into subgroups so that a random sample from each subgroup can be collected?
simple random sampling
Does cluster sampling assume that the population items are all alike?
No, it assumes there are clearly defined subgroups in your population like men and women, members of the same family, ...
A sample of a population that has been divided into subgroups?
Prussia was divided into Poland and other German/Russian inhabitants living in that area around the end of WWII times
G is finite group if and only if the number of it is subgroups is finite?
False. G may be a finite group without sub-groups.
Why do you use Stratified sampling?
They have used Stratified Sample. Design because stratified sample is a sampling technique in which the researcher divided the entire target population into different subgroups, or strata, and then randomly selects the final subjects proportionally from the different strata. This type of sampling is used when the researcher wants to highlight specific subgroups within the population. So in this Research this technique is used by the researcher.
A survey was mailed to a total of 400 students 100 were randomly selected from each of the freshman sophomore junior and senior classes last semester What sampling method was used?
Stratified Sampling Method Stratified sampling is a probability sampling technique wherein the researcher divides the entire population into different subgroups or strata, then randomly selects the final subjects proportionally from the different strata.
Is the best description of a stratified random sample?
Stratified random sampling is a form of probability sampling that provides a methodology for dividing a population into smaller subgroups as a means of ensuring greater accuracy of your high-level survey results. The smaller subgroups are called strata. Stratified random sampling is also called proportional or quota random sampling.
Why is strata called homogenous in stratified sampling?
Homogeneous refers to groups composed of parts or elements that are all of the same kind or nature. In stratified sampling, a population which is composed of diverse groupings is subdivided into two or more groups so that the diversity is decreased in the subgroups. For example, if the total population is composed of males and females, then stratification into subgroups of male and female will result in strata that are of the same kind with respect to the classification variable gender: i.e, the strata are homogeneous. Other classification variables or combinations of classification variables may be used to improve homogeneity.
What is a example sentence of subgroup?
Subgroups of the population have been shown to be poor.
What includes all the subgroups within a given population in numbers that are proportionally equal to those found in that population?
representative sample
When dividing a population into subgroups so that a random sample from each subgroup can be collected?
simple random sampling
What are the 5 vegetable subgroups?
what are the five vegetable subgroups
Does cluster sampling assume that the population items are all alike?
No, it assumes there are clearly defined subgroups in your population like men and women, members of the same family, ...
Subgroups for Christianity Judaism Islam Buddhism?
Christianity subgroups--Orthodox, Catholic, Protestant Judaism subgroups--Orthodox, Conservative, Reform Islam--Sunni, Shiite Buddhism--Mahayana, Theravada There are myriad subgroups of these subgroups and more than I've listed here--please add on--
Why would a rough steep mountain habitat have a higher rate of speciation than a large open grasslands habitat?
The mountain would isolate subgroups of the population.
Is there a non-cyclic group with precisely four subgroups?
Yes. The group {0,1} has precisely 4 subgroups.
