0
yes because the quota sample include the random sample and when we have over estimation we will use the quota sample
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Scientific polling uses part of the population to measure the whole This sample must be?
random
What would a sampling error of zero mean?
The sampling error is the error one gets from observing a sample instead of the whole population. The bigger it is, the less faith you should have that your sample represents the true value in the population. If it is zero, your sample is VERY representative of the population and you can trust that your result is true of the population.
Randomization in an experiment means that the experimental units or subjects are selected as a simple random sample from the whole population under study?
False
If a population consists of 100000000 people and a census is taken how many people are sampled?
A census samples 100% of the population (ie it is not a sample, but the whole population) → the census will ask of 100,000,000 people.
What is the small part of a group chosen that represents the whole group?
In statistics it is a random sample
What will happen if the sample you have drawn from the population does not represent the population?
You are studying the sample because you want to find out information about the whole population. If the sample you have drawn from the population does not represent the population, you will find out about the sample but will not find out about the population.
A ramdonly-selected group that is used to represent a whole population?
A sample group
What is the defining characteristic of a representative sample?
It will represent the population as a whole. This is a great idea if you the population is too large and you want to get a general idea of how everyone will think.
What is a sample that that consists of everyone in the population?
It is not a sample. A sample must be a proper subset of the whole population.
What is the difference a parameter and a statistic?
A parameter is a number describing something about a whole population. eg population mean or mode. A statistic is something that describes a sample (eg sample mean)and is used as an estimator for a population parameter. (because samples should represent populations!)
A small sample taken from the body to represent the whole is a?
specimen
What is a representative sample?
A sample that accurately reflects the characteristics of the population as a whole
What is the difference between a parameter and a statistic?
A parameter is a number describing something about a whole population. eg population mean or mode. A statistic is something that describes a sample (eg sample mean)and is used as an estimator for a population parameter. (because samples should represent populations!)
The whole population to be measured in a scientific poll is the?
random sample or probability sample
This is part of a population selected to predict information about the population as a whole?
sample
What is the relationship between a sample and population is statistics?
Information obtained from the sample can be extrapolated to the whole population using statistics.
What is portion of a population that can represent the whole population?
None of the above
