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Test di ipotesi Confronto tra medie e proporzioni

Test di ipotesi Confronto tra medie e proporzioni

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=<br />

α<br />

0.<br />

050<br />

Z<br />

=<br />

( x − μ ) 0 n<br />

σσ<br />

μμ = μμ<br />

0 μ = μ1<br />

1.96 2.02<br />

=<br />

β<br />

0.<br />

476

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