[Solution Library] A normal shaped distribution has = 80 and = 15. Sketch the distribution of sample means for samples of n = 25 scores from this population.
Question: A normal shaped distribution has = 80 and = 15.
- Sketch the distribution of sample means for samples of n = 25 scores from this
population.
b. What are the z score values that form the boundaries for the middle 95% of the
distribution of sample means.
c. Compute the z score for M = 89 for a sample of n= 25 scores. Is this sample mean in
the middle 95% of the distribution?
d. Compute the z score for M = 84 for a sample of n = 25 scores. Is this sample mean in
the middle 95% of the distribution?
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