Table 7. Hypotheses for the questionnaire item How much did you like eduScrum?

$H_0$	$H_1$	Probability of error	Value of the test criterion u	The null hypothesis
There is no significant difference between boys’ and girls’ responses in the eduScrum assessment. However, there is a significant difference between boys’ and girls’ responses in evaluating the eduScrum methodology.	There is no significant difference between the responses of primary and secondary school students in the eduScrum assessment.	1.96	3.566	Reject
There is no significant difference between the responses of primary and secondary school students in the eduScrum assessment.	There is a significant difference between the responses of primary and secondary school students in evaluating the eduScrum methodology.	1.96	2.728	Reject