maths help 2k17 01

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  • Created by: cashley12
  • Created on: 08-02-17 09:19
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  • mathematics
    • mean,median,mode and range
      • the mode is the most common number seen in the sequence.
      • the range is the biggest number taken away by the smallest.
      • the median is all the numbers put in order from smallest to largest then its the middle number.
      • the mean is all the numbers added together then divided by how many numbers there is .
    • probability
      • the HIGHER the probability of something, the MORE LIKELY it is.
      • the probability of ZERO means it will NEVER HAPPEN
      • a probability of ONE means it DEFINITELY WILL HAPPEN.
      • key terms IMPOSSIBLE,UNLIKELY,       EVENS,          LIKELY,        CERTAIN.
    • percentages
      • percent means out of 100
      • change/original x 100 = percentage
      • to find 10% then you would divide by 10
        • to find 20% you would divide by 10 and then times by 2
      • to find 5% you would divide by 10 and then divide by 2

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