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Corso di Robotica Misure ed errori

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Errore statistico<br />

dati i seguenti valori statistici<br />

me<strong>di</strong>a<br />

x = 1<br />

n<br />

n<br />

i=1<br />

scarto quadratico me<strong>di</strong>o (deviazione standard)<br />

<br />

<br />

<br />

σ = 1<br />

n<br />

(xi −x)<br />

n−1<br />

2<br />

l’errore statistico viene generalmente espresso come rapporto tra lo<br />

scarto quadratico me<strong>di</strong>o e il valore me<strong>di</strong>o, in percentuale<br />

i=1<br />

xi<br />

err = σ/|x|<br />

Tullio Facchinetti <strong>Corso</strong> <strong>di</strong> <strong>Robotica</strong> <strong>Misure</strong> <strong>ed</strong> <strong>errori</strong>

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