32. 4×1+5×3+6×10+7×9+8×6+9×4+0×1=
4 +15 +60+ 63+48+36+10=
19+123+84+10=
142+94= 236:banyak siswa
=236:34
=6,95 (RATA RATA)
jadi siswa yg nilainya diatas rata rata adalah 20 orang(A)
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32. 4×1+5×3+6×10+7×9+8×6+9×4+0×1=
4 +15 +60+ 63+48+36+10=
19+123+84+10=
142+94= 236:banyak siswa
=236:34
=6,95 (RATA RATA)
jadi siswa yg nilainya diatas rata rata adalah 20 orang(A)