Question

Berat badan 50 siswa tercatat pada table berikut, tentukan mean, median, modus data berikut:​

Answer 1

Materi : Data dan Statistika

Banyak Data = 50 data

Modus = K( 60 - 64 )

Median = ½( n + 1 ) = ½(51) = X25,5 = K( 60 - 64 )

Tb = 59,5 , Pk = 5, X kumulatif sebelum = 17

= 59,5 + ( 25,5 - 17 )/12 × 5

= 59,5 + 8,5/12 × 5

= 59,5 + 3,541666...

= 63,041666...

Mean

Jumlah Data

8(52,5) + 9(57,5) + 12(62,5) + 10(67,5) + 6(72,5) + 5(77,5) = 3.185

Mean = 3.185 ÷ 50 = 63,7

Semoga bisa membantu

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