Intervention Station 3

Measures of Central Tendency

Mean is an average

Add all the numbers. Then divide the answer by how many numbers you added.

Median is the middle number

Put all the numbers in order from least to greatest. Circle the number in the middle. If there are two in the middle you find the mean of those two numbers.
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Mode is most

The number or numbers that is written most often in a set of data

Range is the difference

Subtract the smallest from the largest amount in the set of data
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