1<?xml version='1.0'?> 2<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN' 3 'http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd' 4 [<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]> 5<html xmlns='http://www.w3.org/1999/xhtml'> 6<head><title>skew_normal_skewness</title> 7<!-- MathML created with MathCast Equation Editor version 0.9 --> 8</head> 9<body> 10<math xmlns="http://www.w3.org/1998/Math/MathML" display="block"> 11 <mrow> 12 <mfrac> 13 <mfenced> 14 <mrow> 15 <mn>4</mn> 16 <mo>−</mo> 17 <mi>π</mi> 18 </mrow> 19 </mfenced> 20 <mn>2</mn> 21 </mfrac> 22 <mspace width="1em"/> 23 <mfrac> 24 <msup> 25 <mfenced> 26 <mrow> 27 <mi>δ</mi> 28 <msqrt> 29 <mfenced> 30 <mrow> 31 <mfrac> 32 <mn>2</mn> 33 <mi>π</mi> 34 </mfrac> 35 </mrow> 36 </mfenced> 37 </msqrt> 38 </mrow> 39 </mfenced> 40 <mn>3</mn> 41 </msup> 42 <msup> 43 <mfenced> 44 <mrow> 45 <mn>1</mn> 46 <mo>−</mo> 47 <mn>2</mn> 48 <mfrac> 49 <msup> 50 <mi>δ</mi> 51 <mn>2</mn> 52 </msup> 53 <mi>π</mi> 54 </mfrac> 55 </mrow> 56 </mfenced> 57 <mfenced> 58 <mrow> 59 <mfrac> 60 <mn>3</mn> 61 <mn>2</mn> 62 </mfrac> 63 </mrow> 64 </mfenced> 65 </msup> 66 </mfrac> 67 </mrow> 68</math> 69 70</body> 71</html> 72