bantu jwb please.. mtk kls 9

a) 10, 12, 14, 14, 15, 15, 15, 16, 18, 20, 20, 22

b) data terkecil = 10
data terbesar = 22
jangkauan = (22 - 10) = 12

a. 10 12 14 14 15 15 15 18 20 20 22
b. terkecil 10
terbesar 22
jangkauan (22-10)= 12