Short Answer
If a sample of n = 25 scores is selected from a normal population with µ = 100 and σ = 20,then the sample mean is expected to be around M = 100.Find the exact range of values that will contain the sample mean 80% of the time.
Correct Answer:
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z = ±1.28,...View Answer
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Correct Answer:
Verified
z = ±1.28,...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
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