16.04.2013 Views

Test di ipotesi Confronto tra medie e proporzioni

Test di ipotesi Confronto tra medie e proporzioni

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H 0 : p1<br />

= p 2 p H =<br />

H 1 : p1<br />

≠ p 2 p H ≠<br />

T<strong>Test</strong> Z per campioni i ii in<strong>di</strong>pendenti <strong>di</strong> d i<br />

<strong>Confronto</strong> <strong>tra</strong> <strong>proporzioni</strong><br />

Riformulazione <strong>ipotesi</strong> p<br />

H<br />

0<br />

: p1<br />

− p 2<br />

=<br />

0<br />

H<br />

p − p ≠ 0<br />

1<br />

: 1 2

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