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Standard Score: Normal Distribution

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Consider a normal population with mu = 25 and sigma = 7.0.

(A) Calculate the standard score for a value x of 26
(B) Calculate the standard score for a randomly selected sample of 30 with = 26
(C) Explain why the standard scores of 26 are different between A and B above

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Answers
(A) Calculate the standard score for a value x of 26.

Given that µ = 25, σ = 7, X = 26
Therefore, standard score, (see attached for equation) ...

Solution Summary

The solution provides step by step method for the calculation of standard scores. Formula for the calculation and Interpretations of the results are also included.

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