Y1 - Business Statistics

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Lectures

Week 3

Vrije Universiteit · International Business Administration

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Lecture 5: Confidence intervals
Issue
Estimators of population parameters
Estimator versus estimate
Estimator properties
The central limit theorem
Sampling Uncertainity
CLT
Regions of confidence using CLT
Some pitfalls
Using CLT to build regions of confidence for 𝜇- sigma unknown
Lecture 6: One sample testing
Hypotheses
Two types of errors
Test Procedures
Testing for 𝜇
Three settings:
Testing for 𝜎^2

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