tolong poin nya bnyak lho

a.rata rata
=4+5+5+6+7/5
=27/5
=5,4
modus
=5
b.rata rata
=8+8+9+7+7+8+6+8/8
=61/8
=7,625
modus
=8
c.rata rata
=100+200+150+200+200/5
=850/5
=170
modus
200