Kak tlong dijawab ya jgn jawab asal” !​

4. Letak kelas median = f/2 = 80/2 = 40

tb = 59,5 f = 20

fk = 30 p = 10

median = tb + ( ½n – fk / f ) p

= 59,5 + ( 40 – 30 / 20 ) 10

= 59,5 + ( 10/2 )

= 59,5 + 5

= 64,5 m