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?
A
The data point is 1.3 standard deviations away from 3B
The data point is 1.3 standard deviations away from 12.C
The data point is 3 standard deviations away from 1.3.D
The data point is 3 standard deviations away from 12.