a) 2,2,3,4,4,6,8,8,8
Średnia = [tex]\frac{2+2+3+4+4+6+8+8+8}{9} = \frac{45}{9} = 5[/tex]
Mediana = 4
Dominanta = 8
b) 13,13,15,17,17,18,19,19,23,25
Średnia = [tex]\frac{13+13+15+17+17+18+19+19+23+25}{10} =\frac{179}{10} = 17,9[/tex]
Mediana = [tex]\frac{17+18}{2} = 17,5[/tex]
Dominanta = 13,17,19
c) 34,42,54,58,65,67,87,97
Średnia = [tex]\frac{34+42+54+58+65+67+87+97}{8}=\frac{504}{8}=63[/tex]
Mediana = [tex]\frac{58+65}{2}=61,5[/tex]
Dominanta - brak
d) 90, 105, 125, 135, 145, 160, 160, 175, 255
Średnia = [tex]\frac{90+105+ 125+ 135+ 145+ 160+ 160+ 175+ 255}{9}=\frac{1350}{9}=150[/tex]
Mediana = 145
Dominanta = 160
