Finite Math Examples

Find the Mean of the Frequency Table
Reorder the classes with their related frequencies (ƒ) in an ascending order (lowest number to highest), which is the most common.
Find the midpoint for each class.
Multiply the frequency of each class by the class midpoint.
Simplify the column.
Add the values in the column.
Add the values in the frequency column.
The mean (mu) is the sum of divided by , which is the sum of frequencies.
The mean is the sum of the product of the midpoints and frequencies divided by the total of frequencies.
Simplify the right side of .
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