avery112515 avery112515
  • 25-10-2016
  • Mathematics
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suppose a normal distribution has a mean of 20 and a standard deviation of 4 a value of 26 is how many standard deviations away from the mean

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bcalle
bcalle bcalle
  • 25-10-2016
Logically you can see that since 26 is half way between 24&28 it is 1/2 sd. See sketch
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