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It is a sample in which the respondent decides whether or not to participate. A typical situation would be when a pile of questionnaires is left for people to fill in - if they like. Only those so inclined will do so.
What else can I help you with?
What is a sample that is taken without bias?
A randomly selected sample.
Randomly selected portion of the population?
sample
When you draw a sample from a normal distribution what can you conclude about the sample distribution?
The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.
Which type of sample is selected to reflect the demographic characteristics of the population of interest?
Convenience sample
What is it called when all the items in the population have the same chance of being selected for the sample?
a random sample
What is a sample that is taken without bias?
A randomly selected sample.
How do you ensure less sample bias?
The sample should be selected randomly.
What is the definition for unbiased sample?
A sample is Unbiased if everyone in the sample have an equal chance of being selected
Randomly selected portion of the population?
sample
What is important for a scientific sample?
self selected
When you draw a sample from a normal distribution what can you conclude about the sample distribution?
The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.The answer depends on how the sample is selected. If it is a simple random sample, of size n, then it is distributed approximately normally with the same mean as the population mean.
Does a random largely selected sample always give a better estimate of the population than a randomly selected sample?
A larger random sample will always give a better estimate of a population parameter than a smaller random sample.
What is the definition for the sample of a population for which each has an equal chance of being selected?
Random Sample
Which type of sample is selected to reflect the demographic characteristics of the population of interest?
Convenience sample
A subset of a population selected to represent the population is a?
sample
What is it called when all the items in the population have the same chance of being selected for the sample?
a random sample
What is relations between representative sample and population?
A representative sample is a randomly selected subset of the population.
