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D Question 23 1 pts If a test has a population mean of 140 and standard deviation of 12, then what is the z-score for

D Question 23 1 pts If a test has a population mean of 140 and standard deviation of 12, then what is the z-score for the sample of n = 9 scores with a mean of 136? O 1 O 4/9 O - 4 O - 1

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