Pertanyaan

Tentukan mean, median dan modus dari data berikut: 3 , 7 , 5 , 8 , 11 , 9 , 10 , 10 , 12 !

Tentukan mean, median dan modus dari data berikut:

!

Y. Herlanda

Master Teacher

Mahasiswa/Alumni STKIP PGRI Jombang

Jawaban terverifikasi

Pembahasan

Mean (rata-rata) Median (nilai tengah) Modus (nilai yang sering muncul)

Mean (rata-rata)

table attributes columnalign right center left columnspacing 0px end attributes row cell top enclose x end cell equals cell fraction numerator sum for x of over denominator n end fraction end cell row blank equals cell fraction numerator 3 plus 5 plus 7 plus 8 plus 9 plus 10 plus 10 plus 11 plus 12 over denominator 9 end fraction end cell row blank equals cell 8 comma 3 end cell end table 

Median (nilai tengah)

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 3 comma space 5 comma space 7 comma space 8 comma space 9 comma space 10 comma space 10 comma space 11 comma space 12 end cell row cell M e end cell equals cell X subscript fraction numerator n plus 1 over denominator 2 end fraction end subscript end cell row blank equals cell X subscript fraction numerator 9 plus 1 over denominator 2 end fraction end subscript end cell row blank equals cell X subscript 10 over 2 end subscript end cell row blank equals cell X subscript 5 end cell row blank equals 9 end table 

Modus (nilai yang sering muncul)

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell 3 comma space 5 comma space 7 comma space 8 comma space 9 comma space 10 comma space 10 comma space 11 comma space 12 end cell row cell M o end cell equals 10 end table 

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