public StandartSapma(int n, float [] sayilar)
{
AritmetikOrtalama aO = new AritmetikOrtalama(sayilar, n);
float ust = 0, xbar = aO.Sonuclu(sayilar, n);
for (i = 0; i < n; i++)
{
ust += Convert.ToSingle(Math.Pow((sayilar[i] - xbar), 2));
}
float sonuc = Convert.ToSingle(Math.Sqrt(ust / n));
}
private void button4_Click(object sender, EventArgs e)
{
int n = listBox1.Items.Count;
float[] sayilar = new float[n];
for (int i = 0; i < n; i++)
{
sayilar[i] = Convert.ToSingle(listBox1.Items[i].ToString());
}
AritmetikOrtalama aO = new AritmetikOrtalama(sayilar, n);
listBox1.Items.Clear();
listBox1.Items.Add("-------------" + aO.Sonuclu(sayilar, n));
}