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Table 2 Significance

From: Investigation about representations used in teaching to prevent misconceptions regarding inverse proportionality

Type of picture: which part omitted

Complete nothing left out

A. Vectors omitted

B. Drawing omitted

C. Formula omitted

Total

Answer

Number of students

%

No. of students

%

No. of students

%

No. of students

%

Right answer

16

36

7

50

0

0

11

26

34

Wrong answer

28

64

7

50

21

100

31

74

87

Total

44

100

14

100

21

100

42

100

121

χ2 (column)

1.49

 

3.32

 

8.21

 

0.08

  

Level of significance

5.99

 

5.99

 

5.99

 

5.99

 

.

χ2 (total)

        

13.09

Level of significance

        

9.49