jwb
rata" = nilai x frekuensi : jumlah siswa
nilai 5 = 4 (siswa)
nilai 6 = 6
nilai 7 = 12
nilai 8 = 7
nilai 9 = 6
nilai 10 = 5
= 5 x 4 + 6 x 6 + 7 x 12 + 8 x 7 + 9 x 6 + 10 x 5) : 4 + 6 + 12 + 7 + 6 + 5
rata" = 7
siswa = 40
median = data ke-20 sm 21
nilai ke-20 = 7
21 = 8
median = 7 + 8 : 2
= 7.5
median data nilai ulangan matematika kls 6 = 7.5
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jwb
rata" = nilai x frekuensi : jumlah siswa
nilai 5 = 4 (siswa)
nilai 6 = 6
nilai 7 = 12
nilai 8 = 7
nilai 9 = 6
nilai 10 = 5
= 5 x 4 + 6 x 6 + 7 x 12 + 8 x 7 + 9 x 6 + 10 x 5) : 4 + 6 + 12 + 7 + 6 + 5
rata" = 7
nilai 6 = 6
nilai 7 = 12
nilai 8 = 7
nilai 9 = 6
nilai 10 = 5
siswa = 40
median = data ke-20 sm 21
nilai ke-20 = 7
21 = 8
median = 7 + 8 : 2
= 7.5
median data nilai ulangan matematika kls 6 = 7.5