Sample Statistic and Population Parameter Symbols

Author: Ryan Backman

Sample Statistics and Population Parameters

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Video Chapters

( 00:00 - 00:38 ) Review of Population and Sample

( 00:39 - 00:43 ) Definition of Sample Statistic

( 00:44 - 00:48 ) Definition of Population Parameter

( 00:49 - 01:27 ) Discussion of Statistics and Parameters

( 01:28 - 01:33 ) Definition of Sample Mean

( 01:34 - 01:40 ) Definition of Population Mean

( 01:41 - 03:03 ) Discussion of Statistic and Parameter Symbols

( 03:04 - 04:03 ) Examples of Sample Statistics

( 04:04 - 05:07 ) Examples of Population Parameters

( 05:08 - 05:21 ) Definition of Sampling Distribution

( 05:22 - 07:22 ) Construction of a Simple Sampling Distribution

( 07:23 - 08:35 ) Discussion of the Center of the Sampling Distribution of Sample Means

( 08:36 - 09:43 ) Discussion of the Shape of the Sampling Distribution of Sample Means

Additional Practice Problems

Terms to Know

Population Mean: A mean for all values in the population. Denoted as $mu$ .
Population Parameters: Summary values for the population. These are often unknown.
Sample Mean: A mean obtained from a sample of a given size. Denoted as $top enclose x$ .
Sample Statistics: Summary values obtained from a sample.