Advanced Statistical Methods

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What is a confidence interval?
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A confidence interval is a range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter.
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What is a hypothesis test in statistics?
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A hypothesis test is a statistical method that uses sample data to evaluate a hypothesis about a population parameter.
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What is regression analysis?
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Regression analysis is a set of statistical processes for estimating the relationships among variables.
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What is the use of analysis of variance (ANOVA)?
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ANOVA is used to compare three or more groups for statistical significance.
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What is correlation in statistics?
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Correlation describes the strength and direction of a relationship between two variables.
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