3,4,5,6,7,8,9Tentukan:1. J2. H3. Qd4. SR5. S Kuadrat6. S jawabannya dibuatkan yang SR tabel​

Jawab:Diberikan data: 3, 4, 5, 6, 7, 8, 9    J = Jumlah data = 7    H = Rata-rata (mean) = (3+4+5+6+7+8+9) / 7 = 42 / 7 = 6    Qd = Median = data tengah setelah diurutkan = data ke-4 = 6    SR = Simpangan Rata-rata = (∑|xi - H|) / J    S Kuadrat = Varians = (∑(xi - H)²) / JLangkah hitung SR dan S Kuadrat:| xi | xi - H | |xi - H| | (xi - H)² ||----|--------|--------|-----------|| 3 | 3 - 6 = -3 | 3 | 9 || 4 | 4 - 6 = -2 | 2 | 4 || 5 | 5 - 6 = -1 | 1 | 1 || 6 | 6 - 6 = 0 | 0 | 0 || 7 | 7 - 6 = 1 | 1 | 1 || 8 | 8 - 6 = 2 | 2 | 4 || 9 | 9 - 6 = 3 | 3 | 9 |∑|xi - H| = 3 + 2 + 1 + 0 + 1 + 2 + 3 = 12∑(xi - H)² = 9 + 4 + 1 + 0 + 1 + 4 + 9 = 28SR = 12 / 7 ≈ 1,71S Kuadrat = 28 / 7 = 4Penjelasan dengan langkah-langkah:

Answered by dorotheaday7 | 2025-08-12