Tentukan mean dari data berikut:
6, 5, 6, 7, 8, 9, 5, 6, 8, 9, 9, 6, 7, 4, 5, 8, 7, 4, 8, 5
A.6,5
B.6,6
C.6,7
D.6,8
6, 5, 6, 7, 8, 9, 5, 6, 8, 9, 9, 6, 7, 4, 5, 8, 7, 4, 8, 5
A.6,5
B.6,6
C.6,7
D.6,8
Jawaban:
[tex]mean = \frac{jumlah \: data}{banyak \: data} [/tex]
[tex] \frac{6 + 5 + 6 + 7 + 8 + 9 + 5 + 6 + 8 + 9 + 9 + 6 + 7 + 4 + 5 + 8 + 7 + 4 + 8 + 5 }{20} [/tex]
[tex] = \frac{132}{20} [/tex]
[tex] = 6,6[/tex]
[tex] \\ jadi \: jawabannya \: b \: 6,6[/tex]
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