Zad. 3
a) (27+31+25+19+31+32+25+26+33+37)/10=286/10=28,6
b)
Najpierw uporzadkowujemy rosnaco:
19, 25, 25, 26, 27, 31, 31, 32, 33, 37
(27+31)/2 = 29
c)
Dominanty to 25 i 31 (wystepuja najczesciej)
Zad. 4
[tex]\frac{3*8+7*1+8*4+11*3}{8+1+4+3} = \frac{24+7+32+33}{16} = \frac{96}{16} = 6[/tex]
