NORMAL DISTRIBUTION Shape is bilaterally symmetrical Mean = Median = Mode (coincide) 50% of all values lie above Mean (or Median or Mode) Mean + 1SD cover 68% values (Mean + 1SD cover 34% values) Mean + 2SD cover 95% values (Mean + 2SD cover 47.5% values) Mean + 3SD cover 99% values (Mean + 3SD cover 49.5% values)
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