c. Modus data A adalah 8
Modus data B adalah 7
a. Rata-rata = 8+12+18+10+12+6+10+20+16+16+22+12) = 162/12 = 13,5
b. 6, 8, 10, 10, 12, 12, 12, 16, 16, 18, 20, 22
Median = (12+12)/2 = 12
c. Modus = bulan November
d. 6, 8, 10, 10, 12, 12, 12, 16, 16, 18, 20, 22
Kuartil pertama = (10+10) / 2 = 10
Kuartil ketiga = (16+18) / 2 = 17