Okay, but even assuming that 100% of the 1.046 analyzed rockers died between the ages of 20 and 40, that would leave 20 time intervals (specific ages) to mark a rocker's death. Divide 100% by 20 and you get an average of 5% chance of a rocker dying on any given year. So, the 7% cohort would be a slight bump, and not even a statistical outlier, on that timeline.There were quite a few deaths between 20 and 40, but researchers determined the rockers weren't more likely to die young due to some evil sorcery.
However, knowing that the actual timeline of death is really anywhere between 20 and 80, you really have about 60 time intervals (specific ages) to mark a rocker's death. Divide 100% by 60 and you get a likelihood of 1.6% of a chance of a rocker dying on any given year. When comparing that stat with the 7% stat at 27, it becomes a much more prominent statistical outlier, and it would seem that a rock and roller is 4.3 times as likely to die at 27 than at any other age.
Graphs coming momentarily.... J/K