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MANUAL ESTADISTICA APLICADA CON SPSS

Manual de estadística aplicada

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Tabla de Resultados 12.3<br />

Gender * Shopping style<br />

Dependent Variable: Amount spent<br />

Gender Shopping style Mean Std. Error<br />

95% Confidence Interval<br />

Lower Bound Upper Bound<br />

Biweekly; in bulk 413,07 15,55 382,48 443,65<br />

Male Weekly; similar items 440,96 8,39 424,45 457,48<br />

Often; what's on sale 407,77 16,79 374,74 440,81<br />

Biweekly; in bulk 343,98 15,55 313,39 374,56<br />

Female Weekly; similar items 361,72 9,11 343,80 379,64<br />

Often; what's on sale 405,73 17,08 372,12 439,33<br />

Por lo general, los hombres tienen un gasto mayor en las compras. La Tabla 12.3 testa<br />

la importancia de un factor, aunque no nos indica la manera en que cada factor varía.<br />

El test post hoc muestra las diferencias en el modelo de predicción de las medias para<br />

cada par de niveles de factor.<br />

Tabla de Resultados 12.4<br />

Dependent Variable: Amount spent<br />

Tukey HSD<br />

(I) Shopping style<br />

Biweekly; in bulk<br />

(J) Shopping style<br />

Multiple Comparisons<br />

Mean Difference<br />

(I-J)<br />

Std.<br />

Error<br />

Sig.<br />

95% Confidence<br />

Lower<br />

Bound<br />

Interval<br />

Upper<br />

Bound<br />

Weekly; similar items -26,03 12,61 ,099 -55,72 3,65<br />

Often; what's on sale -28,23 16,26 ,193 -66,52 10,02<br />

Weekly; similar items<br />

Often; what's on sale<br />

Biweekly; in bulk 26,03 12,61 ,099 -3,65 55,72<br />

Often; what's on sale -2,21 13,47 ,985 -33,93 29,51<br />

Biweekly; in bulk 28,25 16,26 ,193 -10,02 66,52<br />

Weekly; similar items 2,21 13,47 ,985 -29,51 33,93<br />

Based on observed means.<br />

The error term is Mean Square (Error) = 8463,939.<br />

En la tabla 12.4 vemos la información que necesitamos<br />

153

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