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Table 4 Descriptive statistics of the questionnaire (scale 1-5)

From: Augmented intelligence in educational data mining

 

Group A

Group B

Question

Mean

sd

Mean

sd

The cluster analysis algorithm helped me to perceive...

3.125

0.78

2.6

0.49

The cluster analysis algorithm helped me to understand...

2.875

1.1

3.2

0.75

The cluster analysis algorithm helped me to discover...

2.25

1.1

3.4

0.8

The final clusters were justified

3.25

0.83

3.4

0.49

I understand what cluster analysis...

3.375

1.5

4

0.63

I understand differences within...

3.125

1.45

3.2

0.75

It is difficult to understand why...

3.5

1

3.2

0.98

It is difficult to discover...

2.875

1.17

3

0.89

I learned something new...

2.875

1.54

2.6

0.49