no 4 pake cara median ganjil

ratarata = 9+32+55+54+49+40+18 = 257 =5,7
45. 45

modus = 5 (data terbanyak)
median = data ke (banyak data+1)/2
= data ke (45+1)/2
= data ke 46/2
= data ke 23 >>>> 6
median = 6

maaf kalo salah :)