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Thank you to anyone that can help in advance, I have been searching my notes for...

Thank you to anyone that can help in advance, I have been searching my notes for examples and cannot find any.

Let’s say that expression of aggressive behavior is normally distributed; for the population, mean = 15 and standard deviation = 4. If the researcher randomly samples 36 participants, what is the average distance in the distribution of sample means?

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Answer #1

Given, population standard deviation:

sample size:

The average distance in the distribution of sample means

  

  

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