So we get 12 divided by 6.3. It's 1.9 standard deviations. It's z-score. It's z-score is 1.9, which means it's 1.9 standard deviations above the mean. So the mean is 81. We go one whole standard deviation, and then 0.9 standard deviations. And that's where a score of 93 would lie right there.