Question: Explain what is meant by standard deviation and how to find it. Find an example of a situation with a small data set and determine

Explain what is meant by standard deviation and how to find it. Find an example of a situation with a small data set and determine the standard deviation. Explain what the standard deviation means in context of the situation. Please provide reference,thanks

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1. Background knowledge of the subject and

4. What specific changes in the environment have taken place in relation to the information we have collected?

2. The purpose of the acquisition of the information.