Lecture notes EC1011 Econometrics (EC1011) Economics

Topic 1
Distribution of Sample
Statistics




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, Chapter 6

Sampling and
Sampling Distributions
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, Distribution of Sample Statistics
Learning Objectives
After this lecture you should be able to:
• Describe a simple random sample and why
sampling is important
• Explain the difference between descriptive and
inferential statistics
• Define the concept of a sampling distribution
• Determine the mean and standard deviation for
the sampling distribution of the sample mean X
• Determine the mean and standard deviation for
the sampling distribution of the sample
proportion p̂ 3

, Distribution of Sample Statistics
Learning Objectives
After this lesson you should be able to:
• Describe the Central Limit Theorem and its
importance
• Develop ideas of point and confidence interval
estimation and understand the concepts of
unbiasedness, consistency and efficiency of estimation
procedure




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