Pertanyaan

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

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A. Khairunisa

Master Teacher

Mahasiswa/Alumni Universitas Negeri Semarang

Jawaban terverifikasi

Pembahasan

$Rata minus rata space dari space data space di space atas space yaitu space space straight x with bar on top equals fraction numerator 15 plus 14 plus 12 plus 15 plus 13 plus 15 over denominator 6 end fraction equals 14 Rumussimpanganrata minus rata space SR SR equals fraction numerator vertical line straight x subscript 1 minus straight x with bar on top vertical line plus vertical line straight x subscript 2 minus straight x with bar on top vertical line plus midline horizontal ellipsis plus vertical line straight x subscript straight n minus straight x with bar on top vertical line over denominator straight n end fraction Maka comma space SR equals fraction numerator vertical line 15 minus 14 vertical line plus vertical line 14 minus 14 vertical line plus vertical line 12 minus 14 vertical line plus vertical line 15 minus 14 vertical line plus vertical line 13 minus 14 vertical line plus vertical line 15 minus 14 vertical line over denominator 6 end fraction space SR equals 6 over 6 equals 1$