Diketahui sekelompok data 1,2,3,4,5,6,5,3,2,1,1,4,2,4,8,9,5,3. Tentukan mean, median, dan modusnya

Jawab

Mean
=(1+2+3+4+5+6+5+3+2+1+1+4+2+4+8+9+5+3) ÷ 18
= 3.3778

Median
=1,1,1,2,2,2,3,3,3,4,4,4,5,5,5,6,8,9
=(3+4)÷2
=3.5

Modus
=1,2,3,4,5