Influence of algorithmic abstraction and mathematical knowledge on rates of dropout from Computing degree courses

Journal of the Brazilian Computer Society

Table 18 Kruskal-Wallis test (all courses)

Mean rank and homogenous subsets
Item¹	Subset
Item¹	1	2	3	4	5	6	7
17	1576.63
19	1622.71
15	1723.75
16	1725.93
21		1926.15
20		2003.16
2		2005.52
18		2075.13
10			2299.44
8			2469.48	2469.48
13			2549.75	2549.75	2549.75
3				2705.96	2705.96	2705.96
12				2721.13	2721.13	2721.13
6					2762.74	2762.74	2762.74
1					2827.49	2827.49	2827.49
5					2896.88	2896.88	2896.88
4						2919.81	2919.81
11						2938.96	2938.96
9						2950.67	2950.67
14						3090.41	3090.41
7							3132.24
Chi-square value	7.027	2.586	5.466	6.876	10.008	15.318	11.554
Sig. (two-tailed test)	0.071	0.46	0.065	0.076	0.075	0.053	0.116

Homogenous subsets are based on asymptotic significances. The significance level was 0.05
¹Each cell indicates the mean sample position for the variable item