Incidence rates of IA cases are shown in Figure 1 and 2. The median age of proven and probable IA cases was 51 years (50 years on average, 25th percentile: 34 years; 75th percentile: 63 years).
William Sanders, a statistician studying Tennessee teachers with a colleague, found that a student with a weak teacher for three straight years would score, on average, 50 percentile points behind a similar student with a strong teacher for those years.
They found that scores of 38 children with ASD were on average 30 percentile points higher on the Raven's Progressive Matrices (RPM) than their scores on the WISC-III, whereas no such difference was found for typically developing (TD) children.
On standardized tests at age 9, the children that made up the youngest third ranked, on average, about 11 percentile points lower in math and roughly 10 percentile points lower in language arts than their classmates who made up the oldest third.
Morningstar category rankings for Vanguard's six multimanager funds range from the 18th percentile, on average, over the last three years to the 37th percentile over the 12 months ended Feb. 28.
The utility adjusted for baseline differences by multiple regression on average 0.01 QALY (2.5th percentile 0.00; 97th percentile 0.02) was gained from the intervention.
Based on EQ-5D utility, after adjustment for baseline differences by multiple regression, on average 0.03 QALY (2.5th percentile 0.00; 97th percentile 0.07 bootstrap analysis) was gained from the intervention.
On tests of addition, subtraction and number recognition after one school year, children who had the program scored in the 76th percentile on average, and those who did not scored in the 50th percentile.
When the infants reached an average weight of 2 kilograms, those with a birthweight in the range of 700 to 1000 grams had achieved greater than the 10th percentile on average for head growth, but remained below the 3rd percentile for weight and length.
These authors find an almost perfect linear relationship between parent ranks and child ranks in the US and that a 10 percentile point increase in parent rank corresponds on average to a 3.41 percentile point increase in the income rank of a child.
