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What is A sample whose characteristics are the same as those of the population it is intended to reflect is called?
A representative sample.
What is a survey of a representative sample of the population called?
Random selection.
What is the sample whose characteristics are the same as those of the population it is intended to reflect?
representative
What chart or graph would best represent data collected using representative sample?
The fact that the data are from a representative sample is irrelevant. What matters is the nature of the data that you have and the message that you want to convey to your viewers. If the data are qualitative then a bar or pie chart are probably the most appropriate. If they are quantitative, then any type of chart may be appropriate. It depends on the variables. If there are several observations on each member of the sample, then a stacked bar chart may be the right thing.
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.
