Statistical Data1 IQ N Valid 25 Missing 0 Mean 100.4000 Median 100.0000 Mode 100.00 Std. Deviation 15.60716 Skewness -.188 Std. Error of Skewness .464 Kurtosis 1.200 Std. Error of Kurtosis .902 Minimum 60.00 Maximum 135.00 IQ Cumulative Frequency Valid Percent Valid Percent Percent 60.00 1 4.0 4.0 4.0 80.00 2 8.0 8.0 12.0 90.00 4 16.0 16.0 28.0 95.00 3 12.0 12.0 40.0 100.00 5 20.0 20.0 60.0 105.00 3 12.0 12.0 72.0 110.00 2 8.0 8.0 80.0 115.00 2 8.0 8.0 88.0 120.00 1 4.0 4.0 92.0 125.00 1 4.0 4.0 96.0 135.00 1 4.0 4.0 100.0 25 100.0 100.0 Total Correlations Birth Order Pearson Correlation Birth Order IQ 1 -.591** Sig. (2-tailed) .002 N IQ 25 Pearson Correlation -.591 Sig. (2-tailed) .002 N 25 25 ** 1 25 **. Correlation is significant at the 0.01 level (2-tailed). Correlations Birth Order Spearman's rho Birth Order Correlation Coefficient Sig. (2-tailed) N IQ Correlation Coefficient Sig. (2-tailed) N **. Correlation is significant at the 0.01 level (2-tailed). IQ 1.000 -.615** . .001 25 25 -.615** 1.000 .001 . 25 25