Random 10000 C1 C2 C3;
  Normal 0.0 1.73.
Let C21 = (C1+C2+C3)/3
Histogram C21;
  Density;
  MidPoint;
  Bar;
  Title "Normal  n = 3";
  ScFrame;
  ScAnnotation.

Random 10000 C1 C2 C3;
  Uniform -3.0 3.0.
Let C21 = (C1+C2+C3)/3
Histogram C21;
  Density;
  MidPoint;
  Bar;
  Title "Uniform  n = 3";
  ScFrame;
  ScAnnotation.

Random 10000 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20;
  Binomial 100 0.031.
Let C21 = (C1+C2+C3)/3 - 3.1
Histogram C21;
  Density;
  MidPoint;
  Bar;
  Title "Binomial  n = 3";
  ScFrame;
  ScAnnotation.

Let C22 = (C1+C2+C3+C4+C5+C6+C7+C8+C9+C10+C11+C12+C13+C14+C15+C16+C17+C18+C19+C20)/20 - 3.1
Histogram C22;
  Density;
  MidPoint;
  Bar;
  Title "Binomial  n = 20";
  ScFrame;
  ScAnnotation.

Random 10000 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20;
  Uniform -3.0 3.0.
Let C23 = (C1+C2+C3+C4+C5+C6+C7+C8+C9+C10+C11+C12+C13+C14+C15+C16+C17+C18+C19+C20)/20
Histogram C23;
  Density;
  MidPoint;
  Bar;
  Title "Uniform n = 20";
  ScFrame;
  ScAnnotation.

Random 10000 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12;
  Normal 0.0 1.73.
Let C24 = (C1+C2+C3+C4+C5+C6+C7+C8+C9+C10+C11+C12+C13+C14+C15+C16+C17+C18+C19+C20)/20
Histogram C24;
  Density;
  MidPoint;
  Bar;
  Title "Normal n = 20";
  ScFrame;
  ScAnnotation.