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Mean
What is mean?
 The mean is the average of a set of numbers.
 In other words the mean of 7, 6, 9, 3, and 5 is 6
 The way we calculate mean is using the following formula:
Example
 Find the mean of 7, 6, 9, 3, and 5.
 Step 1: Put number in numerical order
 Step 2: Formula
 Step 3: Plug in values
 Step 4: Find the sum
 Step 5: Divide
3, 5, 6, 7, 9
Example
 Find the mean of 9, 11, 17, 12, 4, and 15.
 Step 1: Put number in numerical order
 Step 2: Formula
 Step 3: Plug in values
 Step 4: Find the sum
 Step 5: Divide
4, 9, 11, 12, 15, 17
Example
 Find the mean of 51, 37, 25, and 84.
 Step 1: Put number in numerical order
 Step 2: Formula
 Step 3: Plug in values
 Step 4: Find the sum
 Step 5: Divide
25, 37, 51, 84