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Kalkulator Varians : Varians Sampel (s²) & Varians Populasi (σ²)

Hitung nilai ragam (varians) statistik dari sekumpulan angka dengan rumus sampel dan populasi.

Interactive Calculator

100% Client-Side Engine
Sample Variance (s² = SS / (n - 1))
3,5
Population Variance (σ² = SS / N)
2,9167
Arithmetic Mean (x̄)
5,5
Observations Count (N)
6
Sum of Squared Deviations (SS)
17,5
Variance Derivation Steps
1. Arithmetic Mean: x̄ = 33 ÷ 6 = 5.5
2. Sum of Squared Differences (SS): 17.5
3. Population Variance σ² = SS / N = 17.5 / 6 = 2.9167
4. Sample Variance s² = SS / (n - 1) = 17.5 / (6 - 1) = 3.5

Step-by-Step Examples

Varians 6 Angka

Data: 4, 8, 6, 5, 3, 7

Inputs: Data: 4, 8, 6, 5, 3, 7
Result: Sampel s² = 3.5000, Populasi σ² = 2.9167

Rata-rata = 5.5, SS = 17.5.

How to Use This Tool

  1. Masukkan data angka.
  2. Klik Hitung.
  3. Periksa nilai varians sampel dan populasi.

Frequently Asked Questions

Standar deviasi adalah akar kuadrat dari varians, sehingga memiliki satuan yang sama dengan data asli.