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10 Cards in this Set

  • Front
  • Back
mean
the sum of the values in a data set divided by the number of values: [8+6+7]= 21⌯3 = 7
median
the middle value in a data set when the values are written in numerical order
mode
the value in a data set that occurs most often
range
the difference of the greatest and least values in the data set
ratio
a comparison of two numbers using division
proportion
an equation stating that two ratios are equivalent
principal
an amount of money that is deposited or borrowed
rate
a ratio of two quantities measured in different units [miles/hour]
interest
the amount earned or paid for the use of money
irrational number
a real number that cannot be written as a quotient of two integers - the decimal form neither terminates nor repeats