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  1. ibnatk

    HELP! STATISTICS!!! PLEASE!! :(:(

    When it is z>(x-mean)/sigma is negative, you just flip the mean and X. make it z>(mean-x)/sigma
  2. ibnatk

    {HELP} Phy P5

    I don't get this, SeraK+J
  3. ibnatk

    Chemistry Paper 52.. How was it?

    How did you find the Mr? Really stuck on that, but otherwise the paper was ok. Ok, not very good though.
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