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Memahami Rumus Kovarians

Jika Anda tahu formula varians berikut ini :[caption id="attachment_8170" align="aligncenter" width="641"] Sumber : alchemer.com[/caption]maka rumus kovarians adalah variansi yang mana datanya ada dua, yaitu data x dan data y. Kedua data tersebut dikurangi ...

Memahami Rumus Variansi

Manfaat : rumus variansi digunakan untuk mengukur keragaman (variasi) data.Rumus : $\displaystyle \frac{\sum_i^N (x_i-\mu)^2}{N}$ $\mu$ : rata-rata (mean)$x_i$ : data ke iN : jumlah dataLangkah-langkahnya adalah :Mencari nilai $\mu$, yaitu rata-rata. Menghitung perbedaan ...