Collecting and Interpreting Data Question
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Grade 11 Collecting and Interpreting Data CCSS: HSS-ID.A.4
- Z-scores are always positive.
- Z-scores are negative only when the population mean is negative.
- Z-scores are positive if the mean is less than the raw score, and negative if the mean is greater than the raw score.
- Z-scores are positive if the standard deviation is greater than the raw score, and negative if the standard deviation is less than the raw score.