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

Journal of the Brazilian Computer Society

Table 14 Kruskal-Wallis test (Degree in Computing)

Mean rank and homogenous subsets
Item¹	Subset
Item¹	1	2	3	4	5	6	7	8	9	10
17	627.524
19	652.465
20	662.147
16	667.253
15	669.7
21	701.071	701.071
18	779.1	779.1	779.1
2		828.641	828.641	828.641
10		848	848	848	848
6			889.006	889.006	889.006	889.006
8			891.641	891.641	891.641	891.641
3			896.941	896.941	896.941	896.941	896.941
13			921.859	921.859	921.859	921.859	921.859	921.859
4			975.835	975.835	975.835	975.835	975.835	975.835	975.835
12				994.847	994.847	994.847	994.847	994.847	994.847
11					1041.87	1041.87	1041.87	1041.87	1041.87
5						1055.62	1055.62	1055.62	1055.62
14							1098.22	1098.22	1098.22
9								1116.47	1116.47
7									1159.87
1										1274.92
Chi-square value	9.958	7.623	10.692	10.077	12.778	12.491	10.928	11.304	10.897	.²
Sig. (two-tailed test)	0.126	0.054	0.153	0.184	0.078	0.086	0.091	0.079	0.092	.

Homogenous subsets are based on asymptotic significances. The significance level was 0.05
¹Each cell indicates the mean sample position for the variable item
²This is impossible to calculate since the subset contains only one sample