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Standard Error

Standard Error

Author: Al Greene
Description:

• Introduce standard error (s) for both sampling distribution models for proportions and means when we do not know the populations parameters p and σ.
• Demonstrate how to calculate standard error for a proportion.
• Demonstrate how to calculate standard error for a mean.

This packet introduces you to the concept of standard error, which is an estimate of our standard deviation. There is a video showing you how to calculate it, and a link to a page that shows why we use it.

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Tutorial

What's in this packet

This packet introduces you to standard deviation. There will be some new terminology. Some of the new terms are:

  • Standard Error (s)

Source: Greene

Example of Standard Error

Here is a great page that talks about standard error and how it is very beneficial.

http://changingminds.org/explanations/research/statistics/standard_error.htm

Standard Error of the Mean

This video shows you the concept of standard error, and how and why it is used.