Keadaan 1:
Rata rata total = 5,1
Jumlah murid = 40
skor =5,1.40 = 204
Keadaan 2 :
Rata rata total =5,0
Jumlah murid = 39
skor = 195
Nilai siswa = skor keadaan 1-skor keadaan 2
= 204-195
=9
Semoga membantu🌻