AP Stat sample - making their answer insignificant. A...

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Kyle Daniele When asked to use a sample to draw an inference about the population it means by studying the sample, you can get a better idea of the population. Usually, samples are used when the population is too large to study. However, the samples must be representative samples and from that a random sample is taken. For example, if you wanted to ask every person in the country about something it would be impossible. You would have to make sure your sample represents men and women; race, age, etc. Also, the question should not be biased to receive accurate results. The clarity of the question is also a factor as people may respond in more than one way
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Unformatted text preview: making their answer insignificant. A random sample is kind of a miniature population, whereas samples that are not random are likely to be biased. This statement is very true because if you did not follow it, your survey will be inaccurate. Everyone must be represented so you must get a random sample. Another example could be if you wanted a random sample of students in the cafeteria, you would not take the students who order Diet Pepsi with their lunch. That is not random as you are focusing on students with a similar quality....
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This note was uploaded on 12/14/2009 for the course ENG 101 taught by Professor Chang during the Spring '09 term at 東京国際大学.

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