Advanced Statistical Methods

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What is a confidence interval?

A confidence interval is a range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter.

What is a hypothesis test in statistics?

A hypothesis test is a statistical method that uses sample data to evaluate a hypothesis about a population parameter.

What is regression analysis?

Regression analysis is a set of statistical processes for estimating the relationships among variables.

What is the use of analysis of variance (ANOVA)?

ANOVA is used to compare three or more groups for statistical significance.

What is correlation in statistics?

Correlation describes the strength and direction of a relationship between two variables.

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