Table 1 Examination of normalcy of deviation IQ scores.
From: A near normal distribution of IQ in Fragile X Syndrome
Mean +/- SD | Range | Kurtosis | Skewness | Shapiro-Wilk | |
|---|---|---|---|---|---|
Males (All) | |||||
Full-scale IQ | 28 +/- 21 | -18–73 | -0.05 | -0.68 | 0.99 |
Nonverbal IQ | 21 +/- 27 | -37–85 | 0.00 | -0.59 | 0.99 |
Verbal IQ | 38 +/- 22 | -9–88 | -0.32 | -0.31 | 0.98 |
FM-FM Male | |||||
Full-scale IQ | 23 +/- 20 | -18–67 | -0.12 | -0.58 | 0.98 |
Nonverbal IQ | 14 +/- 25 | -37–64 | -0.12 | -0.76 | 0.98 |
Verbal IQ | 34 +/- 21 | -9–88 | -0.17 | 0.04 | 0.98 |
Mosaic Male | |||||
Full-scale IQ | 38 +/- 22 | -8–73 | -0.30 | -0.97 | 0.96 |
Nonverbal IQ | 33 +/- 26 | -12–85 | -0.03 | -0.82 | 0.98 |
Verbal IQ | 45 +/- 22 | -5–74 | -0.69 | -0.27 | 0.94 |
Females | |||||
Full-scale IQ | 75 +/- 22 | 18–107 | -0.83 | 0.11 | 0.93* |
Nonverbal IQ | 69 +/- 26 | -3–107 | -0.88 | 0.90 | 0.94* |
Verbal IQ | 80 +/- 24 | 31–145 | -0.08 | 0.18 | 0.96 |
