Pertanyaan

Simpangan rata-rata dari data 15, 14, 12, 15, 13, 15 adalah ...

H. Mahmud

Master Teacher

Mahasiswa/Alumni Universitas Pendidikan Indonesia

Jawaban terverifikasi

Pembahasan

$R a t a minus r a t a space d a r i space d a t a space d i space a t a s space y a i t u x with bar on top space equals space fraction numerator 15 plus 14 plus 12 plus 15 plus 13 plus 15 over denominator 6 end fraction space equals space 14 R u m u s space s i m p a n g a n space r a t a minus r a t a space S R S R space equals space fraction numerator vertical line x subscript 1 minus x with bar on top vertical line plus vertical line x subscript 2 minus x with bar on top vertical line plus midline horizontal ellipsis plus vertical line x subscript n minus x with bar on top vertical line over denominator n end fraction M a k a comma space S R space equals space fraction numerator vertical line 15 minus 14 vertical line plus vertical line 14 minus 14 vertical line plus vertical line 12 minus 14 vertical line plus vertical line 15 minus 14 vertical line plus vertical line 13 minus 14 vertical line plus vertical line 15 minus 14 vertical line over denominator 6 end fraction S R space equals space 6 over 6 equals 1$