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OpenStudy (anonymous):
Suppose you have a mean standardized score of 1100 points with a standard deviation of 100 points. This data is normally distributed. What is the z-score of 1125 points?
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OpenStudy (anonymous):
zscore = (1125 - 1100) / 100
OpenStudy (adamaero):
Use the Z score formula.
OpenStudy (anonymous):
Formula for the Z Score is x - mean / std deviation. For future reference. You use this a ton.
OpenStudy (anonymous):
the answer is .25 thanks guys :)
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