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Mean, Median, Mode, and Range 3-1(D) and 3-1(F). DON’T BE SCARED! YOU CAN DO THIS!! JUST KEEP SWIMMING!!!. MEAN!!!!. The mean (often called the average ) is the sum of all the numbers divided by the amount of numbers in the data set. MEDIAN!!!!.
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MEAN!!!! • The mean (often called the average) is the sum of all the numbers divided by the amount of numbers in the data set.
MEDIAN!!!! • The median is the middle number of a data set. The median can only be found when the data set is ORDEREDfrom LEAST TO GREATEST. • If you have two middle numbers, then you add them together and divide by 2.
MODE!!!! • The mode is the number that occurs most frequently (often). • Remember, you can more than one mode OR you can have “no mode.”
RANGE!!!! • The range is the difference between the upper extreme (the biggest number) and the lower extreme (the smallest number).