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towards an analysis of errors made by university students ... - DSpace

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APPENDIX 3<br />

3. Calculations <strong>an</strong>d statistical hypotheses<br />

3.1. The test <strong>of</strong> proportion<br />

3.1.1. The test <strong>of</strong> proportion applied to the results<br />

from the non-specific texts, in the Physics Group.<br />

1<br />

H 0 - P £<br />

3<br />

1<br />

H, : p <<br />

3<br />

H = (33 - 0,5) - ?7,67 = 4,83 ] 12<br />

(18,44) 1 / 2 4,29<br />

^5% ~ "<br />

<<br />

1>12. H 0 is to be accepted<br />

(x - 0,5) - np<br />

I = — 2<br />

n P 0<br />

x<br />

t 1 - P 0 ><br />

l/?<br />

3.1.2. The test <strong>of</strong> proportion applied to the results<br />

from the non-specific texts, in the Nursing<br />

Group.<br />

V p *<br />

13<br />

¡ V- p < 1<br />

Z = (30 - 0,5) - 24 = 5 ,50 3?<br />

(16,08) 1 / 2 4 ,01<br />

^5% = "<br />

<<br />

1»12. H 0 is to be accepted.<br />

3.1.3. The test <strong>of</strong> proportion applied to the results<br />

from the specific texts, in the Physics<br />

Group.

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