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| What is the goal of sampling? |
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| to make inferences about a population from what we know about our sample data. |
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| a sample of n individuals chosen from the population |
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| These polls are designed to be biased |
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| a numerical way of acknowledging that you know your sample statistic is not going to give perfect knowledge about the population parameter; inextricably attatched to some notion of confidence level. |
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| that statistic plus or minus the MOE; will depend on many things, including the level of confidence. |
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| You can take a 95% MOE to be |
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| A 95% confidence statement is of the form |
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| Statistics plus or minus MOE |
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| You can change the confidence level by calculating |
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