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Mean (Average) And Standard Deviation Sample Calculation

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The score distribution shown in the table is for all students who took a yearly AP stats exam.

Score Percent of Students
5 13.3
2 21.9
3 24.9
2 17.8
1 22.1

Find the mean AND standard deviation:

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Solution Summary

The solutin shows how to calculate a mean and standard deviation for a given distribution

Solution Preview

Assume there is a process with N possible outcomes each with probability , such that ...

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