Approximately what percentage of people would have scores lower than an individual with a z-score of 2.25 in a normally distributed sample? None 1% 98% 48%
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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. However, a z-score of 225 is extremely high and not realistic in a normal distribution. Show more…
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