A very bright student is described as having an IQ that is two and a half standard deviations above the mean. If this students IQ is reported as a z-score, the z-score would be
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A z-score is a statistical measurement that describes a value's relationship to the mean of a group of values. It is measured in terms of standard deviations from the mean. If a z-score is 0, it indicates that the value is exactly at the mean. A positive z-score Show more…
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