6.tidak diketahui
7.25
8.mean=total nilai/banyak nilai
50=435+y/10
50×10=435+y
500-435=y
y=65
9.median=4
modus=4
total=4+4=8
10.tidak diketahui
11.median=5+6/2=11/2=5,5
12.mean=(4x2)+(5x4)+(6x10)+(7x12)+(8x9)+(9x3)/40
=271/40=6.775
13.tidak diketahui
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6.tidak diketahui
7.25
8.mean=total nilai/banyak nilai
50=435+y/10
50×10=435+y
500-435=y
y=65
9.median=4
modus=4
total=4+4=8
10.tidak diketahui
11.median=5+6/2=11/2=5,5
12.mean=(4x2)+(5x4)+(6x10)+(7x12)+(8x9)+(9x3)/40
=271/40=6.775
13.tidak diketahui