Simpangan rata-rata dari data 9,7,4,8,8,6 adalah ...

Pertanyaan

1,17
1,33
2,33
5,83
7,00

F. Pratama

Master Teacher

Mahasiswa/Alumni Universitas Putra Indonesia YPTK Padang

Jawaban terverifikasi

Pembahasan

Rata-rata dari data di atas yaitu

$top enclose x equals fraction numerator 9 plus 7 plus 4 plus 8 plus 8 plus 6 over denominator 6 end fraction equals 7$

Rumus simpangan rata-rata SR

$S R equals fraction numerator open vertical bar x subscript 1 minus top enclose x close vertical bar plus open vertical bar x subscript 2 minus top enclose x close vertical bar plus... plus open vertical bar x subscript n minus top enclose x close vertical bar over denominator n end fraction m a k a comma S R equals fraction numerator open vertical bar 9 minus 7 close vertical bar plus open vertical bar 7 minus 7 close vertical bar plus open vertical bar 8 minus 7 close vertical bar plus open vertical bar 8 minus 7 close vertical bar plus open vertical bar 6 minus 7 close vertical bar over denominator 6 end fraction S R equals 8 over 6 equals 4 over 3 equals 1 comma 33$

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