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Standard Error

Standard Error

Author: Al Greene

• 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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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.

Standard Error of the Mean

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