5.22.
Санамсаргүй хэмжигдэхүүний асимметрийн болон эксцессийн коэффициентийг ол.
(a) $f(x)=\left\{\begin{array}{lc}
0 & x\leq 0,\,\, x>3\\
2(3-x)/9 & 0<x\leq 3
\end{array}\right.
$ (b) $f(x)=\left\{\begin{array}{lc}
0 & x\leq 0,\,\, x>2\\
(2-x)/2 & 0<x\leq 2
\end{array}\right.
$
(c) $f(x)=\left\{\begin{array}{lc}
0 & x\leq -2,\,\, x>0\\
-x^3/4 & -2<x\leq 0
\end{array}\right.
$
(a) $f(x)=\left\{\begin{array}{lc}
0 & x\leq 0,\,\, x>3\\
2(3-x)/9 & 0<x\leq 3
\end{array}\right.
$ (b) $f(x)=\left\{\begin{array}{lc}
0 & x\leq 0,\,\, x>2\\
(2-x)/2 & 0<x\leq 2
\end{array}\right.
$
(c) $f(x)=\left\{\begin{array}{lc}
0 & x\leq -2,\,\, x>0\\
-x^3/4 & -2<x\leq 0
\end{array}\right.
$