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Measures of Central Tendency
Directions on how to find the mean, median, mode and range.
4
Mathematics
9th Grade
02/14/2017
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Term


Mean

 Definition


To find the mean:


1. add up all numbers

2. Divide by how many numbers there are
Term


Median

 Definition

To find the median:

 

1. put numbers in order from least to greatest

2. If odd amount of numbers median is easy to find, it's the middle number.

3. If there is an even amount of numbers find the mean of the two middle numbers.
Term


Mode

 Definition


The number or numbers that shows up most in the set of data.
Term


Range

 Definition


To find range:

 

Subtract the Greatest and the Least values
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