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Why is it important to have a representative sample when doing surveys?
Because without representative sample, your results will not be valid.
What is a representative sample?
A sample that accurately reflects the characteristics of the population as a whole
When a sample is representative of a population is said to be what?
When a sample is representative of a population, it is said to be a "probability sample" or simply a "representative sample." This means that the characteristics of the sample accurately reflect those of the larger population, allowing for valid inferences and generalizations. Such samples are essential in statistical analysis to ensure the findings can be applied to the entire population.
How can you determine whether a sample is representative of a population?
Take a simple random sample.
What is the importance of a representative sample?
Well, if your sample does not represent the larger sample, you'll certainly not get a valid result ... For example, if you're studying pregnancy and your sample includes men - The whole idea of "representative' sample is fuzzy and often gives interesting errors.
Why is obtaining a representative sample important?
Many statistical statements for a population which are based on a sample are not valid if the sample is not representative.
Why is it important to have a representative sample when doing surveys?
Because without representative sample, your results will not be valid.
What is relations between representative sample and population?
A representative sample is a randomly selected subset of the population.
What You decide you want your sample to be representative of the population. Which sampling process would provide the most representative sample?
A simple random sample.
What type of research is a representative random sample of people asked to answer questions about behaviors or attitudes in psychology?
This type of research is called a survey study. Researchers use surveys to collect self-reported data from a sample of individuals to understand behaviors, attitudes, beliefs, or opinions in psychology. The goal is to generalize the findings from the sample to the broader population from which it was drawn.
What is difference between sample and representative sample?
A sample is any subset of the total population. A representative sample is one that is chosen so that its characteristics are similar to that of the population.
What is a representative sample?
A sample that accurately reflects the characteristics of the population as a whole
If it has similar characteristics as the population the sample is termed?
It is called a representative sample.
When a sample is representative of a population is said to be what?
When a sample is representative of a population, it is said to be a "probability sample" or simply a "representative sample." This means that the characteristics of the sample accurately reflect those of the larger population, allowing for valid inferences and generalizations. Such samples are essential in statistical analysis to ensure the findings can be applied to the entire population.
What does it mean for a sample to representative of a population?
That the key characteristics of the population are reflected in the sample.
How can you determine whether a sample is representative of a population?
Take a simple random sample.
What is the importance of a representative sample?
Well, if your sample does not represent the larger sample, you'll certainly not get a valid result ... For example, if you're studying pregnancy and your sample includes men - The whole idea of "representative' sample is fuzzy and often gives interesting errors.
