Question

Pertanyaan terlampir​

Answer 1

Verified answer

Jawaban:

Penyelesaian :

[tex]\begin{gathered}\boxed{\begin{array}{c|c|c|c}\sf Berat \:(kg)& \sf Frekuensi&x_{i}&f_{i}.x_{i} \\\hline 35 - 39 & 4 &37&148\\\hline 40 - 44&11&42&462 \\\hline 45 - 49& 12&47&564 \\\hline 50 - 54 & 7&52&364\\\hline 55 - 59 & 4&57&228\\\hline 60 - 64&2 &62&124\\ \hline &f_{i} = 40&&f_{i}.x_{i} = 1.890\end{array}}\end{gathered}[/tex]

[tex] \sf Rataan = \frac{f_{i} \: . \: x_{i}}{f_{i}} [/tex]

[tex]\sf Rataan = \frac{1.890}{40} [/tex]

[tex]\sf Rataan = 47,25[/tex]

'비상'

Answer 2

Jawaban:

jadi, Rata-rata berat badan dari 40 siswa adalah 47,25 (C)