5.3 Use StatCrunch to find z-scores given area under normal curve or probability

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Larson & Farber chapter 5.3
  1. The Stats Files - Dawn Wright Ph.D.
  2. StatCrunch
  3. z-scores
  4. sampling distribution
  5. normal distribution
  6. statcrunch z score
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Hello, Dawn. How would I work this problem: n=18, mean =225, st. Deviation = 4.95, and “within 8 days of mean.”

irinasonkina