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Lecture 4 Applied Econometrics and Economic Modeling

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The document discusses different methods for selecting random samples from a population, including simple random sampling, stratified sampling, cluster sampling, and systematic sampling. It provides examples of how to generate random samples in Excel and calculate summary statistics. The central limit theorem is also introduced, showing how the distribution of sample means approaches a normal distribution as sample size increases.

Education
1 of 57
Methods for Selecting Random Samples
RANDSAMP.XLS ,[object Object],[object Object],[object Object],[object Object]
Data
Sampling Terminology ,[object Object],[object Object],[object Object]
Sampling Terminology -- continued ,[object Object],[object Object],[object Object]
Solution ,[object Object],[object Object],[object Object],[object Object]
Solution -- continued ,[object Object],[object Object],[object Object]
Results
More Random Samples Automatically ,[object Object],[object Object]
Example 8.2 Methods for Selecting Random Samples
RECEIVE.XLS ,[object Object],[object Object],[object Object],[object Object],[object Object]
Generated Random Sample
Solution ,[object Object],[object Object],[object Object]
Solution -- continued ,[object Object],[object Object]
Solution -- continued ,[object Object]
Example 8.3 Methods for Selecting Random Samples
STRATIFIED.XLS ,[object Object],[object Object],[object Object],[object Object]
Systematic Sampling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Stratified Sampling ,[object Object],[object Object],[object Object]
Stratified Sampling -- continued ,[object Object],[object Object],[object Object]
Solution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Stratified Sample
Solution -- continued ,[object Object],[object Object],[object Object],[object Object]
Solution -- continued ,[object Object],[object Object],[object Object]
Cluster Sampling ,[object Object],[object Object],[object Object],[object Object]
Cluster Sampling -- continued ,[object Object],[object Object],[object Object],[object Object]
Example 8.4 An Introduction to Estimation
AUDIT.XLS ,[object Object],[object Object],[object Object],[object Object]
Random Sample
Sources of Estimation Error ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sampling Distribution of the Sample Mean ,[object Object],[object Object],[object Object],[object Object]
Sampling Distribution of the Sample Mean ,[object Object],[object Object],[object Object]
Solution ,[object Object],[object Object]
Interpretation ,[object Object],[object Object],[object Object],[object Object]
An Introduction to Estimation
Background Information ,[object Object],[object Object],[object Object],[object Object]
Random Sampling? ,[object Object],[object Object],[object Object]
Random Sampling? ,[object Object],[object Object]
SPIN1.XLS ,[object Object],[object Object],[object Object]
Simulations ,[object Object],[object Object],[object Object]
 
Simulations -- continued ,[object Object],[object Object],[object Object]
Simulations -- continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Simulations -- continued ,[object Object],[object Object],[object Object],[object Object]
 
Simulations -- continued ,[object Object],[object Object],[object Object],[object Object],[object Object]
Histogram for Three Spins
Histogram for Six Spins
Histogram for Ten Spins
Central Limit Theorem ,[object Object],[object Object],[object Object],[object Object]
An Introduction to Estimation
Background Information ,[object Object],[object Object],[object Object]
Sample Size Determination ,[object Object],[object Object],[object Object]
SAMPSIZE.XLS ,[object Object],[object Object],[object Object]
Solution -- continued ,[object Object],[object Object],[object Object],[object Object]
Sample Size Determination
Results ,[object Object],[object Object],[object Object]

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