# Mean (Average) And Standard Deviation Sample Calculation

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

#### Solution Summary

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

$2.19