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Psicometria-Menesesetal

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Editorial UOC 181 Capítulo III. Validez

Test razonamiento Nota matemáticas Pronóstico Residual

80 9 7,0266 1,9734

70 7 6,0126 0,9874

70 7 6,0126 0,9874

70 7 6,0126 0,9874

70 5 6,0126 -1,0126

70 4 6,0126 -2,0126

70 4 6,0126 -2,0126

50 3 3,9846 -0,9846

40 3 2,9706 0,0294

40 2 2,9706 -0,9706

40 2 2,9706 -0,9706

30 1 1,9566 -0,9566

20 1 0,9426 0,0574

20 3 0,9426 2,0574

20 2 0,9426 1,0574

> numSummary(Datos[,c("Nota.Matemáticas", "Pronóstico", "Residual")],

+ statistics=c("mean", "sd",”var”))

mean sd var n

Nota.Matemáticas 5.2000 3.036619 9,221 20

Pronóstico 5.2014 2.803138 7,855 20

Residual -0.0014 1.169176 1,367 20

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