A set of data has a mean of 12 and a standard deviation of 3. A data point of the set has a z-score of 1. 3. What does a z-score of 1. 3 mean? The data point is 1. 3 standard deviations away from 3 The data point is 1. 3 standard deviations away from 12. The data point is 3 standard deviations away from 1. 3. The data point is 3 standard deviations away from 12.
