Mean, Median and Mode

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  • Created by: Joel Ho
  • Created on: 19-11-10 09:10

Mean

Basically, a Mean average = total of quantities / number of quantities

e.g. A man buys 3 different brands of paper. Their mean cost is $9.50. What is the total price of the papers?

total = mean average × number of brands
= $9.50 × 3 
= $28.50

Median

The median is the number found in the middle of the set when they are listed in numerical order.

e.g. The median of {1, 2, 4, 4, 5, 8, 9} is 4 as…

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