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A population forms a normal distribution with a mean of µ = 120 and a standard...

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Statistics

  1. A population forms a normal distribution with a mean of µ = 120and a standard deviation of σ = 14.
  1. If two scores were selected from this population, how muchdistance would you expect, on average, between the second score andthe population mean?

A sample of n = 20 scores from this population has amean of M = 90, do you think this sample is relativetypical or extreme to the population? Explain.

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