100 Techniques: Master a Lifetime of Cooking Skills, from Basic to Bucket List (ATK 100 Series)

100 Techniques: Master a Lifetime of Cooking Skills, from Basic to Bucket List (ATK 100 Series)

Matematika tolong bantu jawab dengan benar ​

tolong bantu jawab dengan benar ​

Cara Jawaban

Cara menentukan mean pada data tersebut adalah:

(Mengalikan nilai x frekuensi) ÷ (Jumlah frekuensi)

[(4 x 4) + (5 x 5) + (6 x 5) + (7 x 8) + (8 x 7) + (9 x 4) + (10 x 2)] ÷ (4 + 5 + 5 + 8 + 7 + 4 + 2)

(16 + 25 + 30 + 56 + 56 + 36 + 20) ÷ 35 = 239 ÷ 35 = 6,828.

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