(Steps Shown) A normal shaped distribution has µ=80 and ð=15. b. What are the z-scores values that form the boundaries for the middle 95% of the distribution
Question: A normal shaped distribution has µ=80 and ð=15.
b. What are the z-scores values that form the boundaries for the middle 95% of the distribution of sample mean?
c. Compute the z-scores of M=89 for a sample of n=25 scores. Is the sample mean in the middle 95% of the distribution?
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[All Steps] What information is provided by the numerical value
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Effect Size Calculator - Cohen's d - MathCracker.com