Algoritma keur ngitung varian: Béda antarrépisi
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Baris ka-1:
[[Kategori:Statistika]]▼
[[Rumus]] pikeun ngitung populasi [[varian]]:
:<math>\mathit{Variance} = \frac {n\sum_{i=1}^{n} x_i^2 - (\sum_{i=1}^{n} x_i)^2}{n^2}</math>
Baris 7 ⟶ 6:
Cara ngitung bakal leuwih gampang kaharti dina tabel di handap ieu
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Baris 61 ⟶ 60:
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<li>variance = (5*338 - 40<sup>2</sup>)/(5 * 4) = 4.5</li>
<li>standard deviation = <math>\sqrt{\mathit{Variance}}</math>= 2.12</li>
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<p>338 = [5<sup>2</sup> + 7<sup>2</sup> + 8<sup>2</sup> + 10<sup>2</sup> + 10<sup>2</sup>]<br>▼
40 = [5 + 7 + 8 + 10 + 10] </p>▼
<h2>Algoritma</h2>
<pre>double sum;
double sum_sqr;
Baris ka-90:
<h2>Algoritma</h2>
<pre>double avg;
double var;
Baris 102 ⟶ 104:
return var; // resulting variance
</pre>
▲[[Kategori:Statistika]]
[[Kategori:Algoritma]]
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