# 3: Mean and Standard Deviation from a Frequency Table


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Mean and Standard Deviation from a Frequency Table

This calculator computes mean, standard deviation, and 5-number summary from a frequency or probability distribution table.  Please report error to Dr. Jessica Kuang at jkuangATvcccd.edu.

To learn how to use this calculator, please watch a short video here.

Input

Type in the data values and frequencies below.  Put the midpoints in increasing order and do not include any values with zero frequency.

 data value frequency

Population Standard Deviation

Sample Standard Deviation

Output

 Mean: Standard Deviation: Five Point Summary: Sample Size: