Table 2.

Frequency of respondents according to gender, age and educational level.

	Level	Count	Total	Proportion
Gender	Female	530	610	0.87
	Male	80	610	0.13
Age-range	Under 20 years	6	610	0.01
	21–30 years old	67	610	0.11
	31–40 years old	205	610	0.34
	41–50 years old	216	610	0.35
	Over 50 years old	116	610	0.19
Educational level	Secondary studies	12	610	0.02
	High-school studies	102	610	0.17
	Post-secondary studies	40	610	0.07
	University studies	271	610	0.44
	Postgraduate studies	185	610	0.30

H_a is proportion ≠ 0.5.