PRIME STATISTICHE riferite ai dati esaminati (358 questionari)
versione riordinata dei quiz e relativi esiti (% risposte OK
e coeff.correlaz. con punteggio complessivo del questionario):
[ alcuni aspetti generali sono discussi qui ]
1 2 3 4 5 6 7 8 9 10
79% 41% 52% 58% 84% 90% 44% 57% 77% 94%
.37 .36 .48 .50 .37 .30 .50 .48 .45 .32
11 12 13 14 15 16 17 18 19 20
89% 84% 39% 25% 57% 32% 68% 38% 26% 32%
.35 .38 .36 .34 .40 .27 .45 .34 .23 .28
21 22 23 4.1 4.2 4.3 (risposte al ques.4)
65% 36% 70% 31% 30% 39% (sintassi,efficacia,sintesi)
.24 .24 .10 .46 .44 .48
01 lungh.asta 02 ord. lungh. 03 aumento % 04 area orto
05 3=x–1 06 5x=0 07 2(x–x)=0 08 x=3x
09 2/3=x 10 12/x=6 11 75%=x/4 12 6/x=3/2
13 3/x=0 14 quale isto 15 gettone 16 y=1+3x
17 triangolo 18 graf temper 19 trattoria 20 z=2xy–x
21 brano fattore 22 brano quando 23 brano aumento
media: 53.78 mediana: 53.84
5%: 23.08 25%: 42.31 50%: 53.84
95%: 84.62 75%: 65.38 percentili
5% 25% 50% 75% 95%
···········|---------|======|=====|----------|····
+---------------------------+--------------------------+
0 50 100
(punteggio pari alla % di risposte corrette; il 25% dei
ragazzi non supera a 42.31; il 50% non supera 53.84; il 75%
non supera 65.38, ovvero il 25% ha almeno tale punteggio)
Coeff. di correlazione
0.447 tra q. 3 e q. 4 0.365 tra q. 10 e q. 11
0.329 tra q. 4 e q. 17 0.300 tra q. 7 e q. 9
0.285 tra q. 4 e q. 9 0.271 tra q. 3 e q. 13
0.270 tra q. 4 e q. 8 0.270 tra q. 9 e q. 10
ESITI DELLE SINGOLE CLASSI
CASC
media: 60.14 mediana: 57.69 25%: 46.15 75%: 73.08
····|-----|======|=======|--------|
+---------------------------+--------------------------+
0 50 100
CASG
media: 58.83 mediana: 57.69 25%: 42.31 75%: 65.38
|---|========|===|--------------|
+---------------------------+--------------------------+
0 50 100
CASP
media: 62.96 mediana: 65.38 25%: 50.00 75%: 76.92
|--------------|=======|=====|------|··
+---------------------------+--------------------------+
0 50 100
DORE
media: 54.26 mediana: 50.00 25%: 38.46 75%: 69.23
··|-----|======|=========|----------|··
+---------------------------+--------------------------+
0 50 100
DORG
media: 53.56 mediana: 53.84 25%: 38.46 75%: 61.54
|-|========|===|---|····
+---------------------------+--------------------------+
0 50 100
EMPO
media: 48.56 mediana: 46.15 o 53.84 25%: 38.46 75%: 61.54
··|--------------|===|========|---------|···
+---------------------------+--------------------------+
0 50 100
POTE
media: 55.85 mediana: 53.84 25%: 46.15 75%: 65.38
······|---|====|=====|---|·········
+---------------------------+--------------------------+
0 50 100
STE1C
media: 54.58 mediana: 53.84 25%: 46.15 75%: 69.23
····|-----|====|=======|---|
+---------------------------+--------------------------+
0 50 100
STE2B
media: 49.04 mediana: 50.00 o 53.84 25%: 38.46 75%: 53.84
|-----|======|=|---|··
+---------------------------+--------------------------+
0 50 100
STE2C
media: 52.56 mediana: 46.15 25%: 42.31 75%: 65.38
|-----|=|==========|---|··
+---------------------------+--------------------------+
0 50 100
FB1A
media: 42.31 mediana: 46.15 25%: 23.08 75%: 57.69
|----|===========|======|-------|·······
+---------------------------+--------------------------+
0 50 100
FB1D
media: 45.99 mediana: 46.15 25%: 34.62 75%: 57.69
|-----|=====|======|---|··
+---------------------------+--------------------------+
0 50 100
FB2A
media: 65.02 mediana: 69.23 50%: 69.23 75%: 73.08
····|----|=======|=|---|
+---------------------------+--------------------------+
0 50 100
FB2D
media: 61.22 mediana: 57.69 25%: 53.85 75%: 69.23
|------|=|=====|--------|··
+---------------------------+--------------------------+
0 50 100
MONT
media: 40.19 mediana: 42.31 o 46.15 50%: 42.30 75%: 50.00
|--------------|=====|====|-----|··
+---------------------------+--------------------------+
0 50 100
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