Pertanyaan

Simpangan rata-rata dari data 20,35,50,45,35,55 adalah .......

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

Klaim

A. Acfreelance

Master Teacher

Jawaban terverifikasi

Pembahasan

Rata-rata : Simpangan rata-rata :

Rata-rata :

$X with bar on top equals fraction numerator j u m l a h space d a t a over denominator b a n y a k space d a t a end fraction X with bar on top equals fraction numerator left parenthesis 20 plus 35 plus 50 plus 45 plus 35 plus 55 right parenthesis over denominator 6 end fraction equals 240 over 6 equals 40$

Simpangan rata-rata :

$S R equals fraction numerator sum from i equals 1 to n of open vertical bar x subscript i minus X with bar on top close vertical bar over denominator n end fraction S R equals fraction numerator open vertical bar 20 minus 40 close vertical bar plus 2 open vertical bar 35 minus 40 close vertical bar plus open vertical bar 50 minus 40 close vertical bar plus open vertical bar 45 minus 40 close vertical bar plus open vertical bar 55 minus 40 close vertical bar over denominator 6 end fraction equals 60 over 6 equals 10$