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Diketahui data 3, 5, 6, 7, 5, 3, 6. Nilai simpangan baku data tersebut adalah ....

  1. square root of 2

  2. 2

  3. 2 square root of 2

  4. 4

  5. 6

R. Diah

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

top enclose straight x space equals space fraction numerator 3 plus 3 plus 5 plus 5 plus 6 plus 6 plus 7 over denominator 7 end fraction space equals space 35 over 7 space equals space 5  simpangan space baku space equals space square root of fraction numerator 2 left parenthesis 3 minus 5 right parenthesis squared plus space 2 left parenthesis 5 minus 5 right parenthesis squared space plus space 2 left parenthesis 6 minus 5 right parenthesis squared space plus space left parenthesis 7 minus 5 right parenthesis squared space over denominator space 7 end fraction end root  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space square root of fraction numerator 8 plus 0 plus 2 plus 4 over denominator 7 end fraction end root space space space space  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space square root of 2 space space space

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