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    Random Sample: Extreme Value or Fairly Typical Sample Mean

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    A random sample is obtained from a population with a mean of u = 50 and a standard deviation of o = 12.

    1. For a sample of n = 4 scores, would a mean of M = 55 be considered an extreme value or is it a fairly typical sample mean?

    2. For a sample of n = 36 scores, would a sample mean of M = 55 be considered an extreme value or is it a fairly typical sample mean?

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    1. The standard standard deviation of the sample mean is 12/2 = 6. A value of ...

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    The solution discusses a random sample regarding extreme value or fairly typical sample mean.

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