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STA 6126
Second Exam Topic List
How do we use the normal distribution tables to evaluate probabilities?
What is the sampling distribution of a statistic?
What is its mean and standard
error?
What is a point estimate and what is a confidence interval (CI)?
What does it mean for
an estimator to be unbiased?
What is the margin of error for an estimator?
How
should we interpret a confidence interval?
How do we estimate
a population proportion from binary data (point estimate and
confidence interval)?
What happens to a CI as the confidence level (sample size)
increases?
How do we estimate
a population mean from numerical data (point estimate and
confidence interval)?
How is the tdistribution used in this context and what is
the degrees of freedom?
What assumption is made about the underlying population?
How do we select
a sample size for estimating a population proportion (population
mean)?
In a test of significance know the nature and roles of the null and alternative
hypotheses, the test statistic, the pvalue, type I and type II errors and significance
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 Spring '08
 YESILCAY
 Normal Distribution, Standard Error

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