kak tolong jawabannya ya kk no 1 aja. makasih.

8, 7, 9, 6, 6, 7, 8, 6, 9
diurutkan = 6, 6, 6, 7, 7, 8, 8, 9, 9
mean =
6 × 3 = 18
7 × 2 = 14
8 × 2 = 16
9 × 2 = 18 +
= 66/9
= 7,3
median = 7
modus = 6
maaf ya kalau salah