What does the standardized score, the Z-value, represent when comparing a sample mean with a population mean?
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Question:
What does the standardized score, the Z-value, represent when comparing a sample mean with a population mean?
A. | The distance between the expected (population) mean and the sample mean in standard deviation units | |
B. | The variance of binomial variables | |
C. | The distance between mean and the median in standard deviation units | |
D. | The percentile rank |
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