Question

tugas lagi bantu cuy ad tugas​

Answer 1

Verified answer

Materi : Data dan Statistika

Banyak Data = n + 25

Jumlah Data = 7,4( n + 25 )

Rata - Rata = 7,4

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7,4( n + 25 ) = 4(5) + 3(6) + n(7) + 13(8) + 5(9)

7,4n + 185 = 20 + 18 + 7n + 104 + 45

0,4n = 187 - 185

(⅖)n = 2

n = 2 × 5/2

[ n = 5 data ]

Semoga bisa membantu

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