SOLUTION: Consider a normal population with μ = 47 and σ = 5.2. Calculate the z-score for an x of 45.7 from a sample of size 25. (Give your answer correct to two decimal places.)
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Question 950159: Consider a normal population with μ = 47 and σ = 5.2. Calculate the z-score for an x of 45.7 from a sample of size 25. (Give your answer correct to two decimal places.)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Consider a normal population with μ = 47 and σ = 5.2. Calculate the z-score for an x of 45.7 from a sample of size 25.
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Note: The fact that you have designated x = 45.7 means
it is a population element and not a sample mean.
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If you meant it to be a sample mean you should designate it as x-bar.
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z(45.7) = (45.7-47)/5.2 = -0.25
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Cheers,
Stan H.
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