b) Prevalence of diseases in 1999 less than prevalence of diseases in 1998

Variant	Answer	Variant	Answer
	М=25,06		a) 7700 per 10 000 population b) Prevalence of diseases in 1999 less than prevalence of diseases in 1998
	М=71,6 σ = 1,79 С=2,5		a) 20% b) 900 per 10 000
	Birth rate= 8,2‰ Mortality = 12,7‰		a) 340 days per year b) 17 days
	m=1,23		a) 20% b) 45 per 10000 people
	m= 1,23		a) 22% b) 8 per 1 citizen c) In comparison with last year level of hospitalization is decreased and number of visits per 1 citizen is increased
	36±2		a) 17,7‰ b) 7,89‰ c) +9,8‰
	t=5,66		a) 98,7 ‰ b) 46,7 ‰ c) 0,9 ‰
	t= 1,4		a) 130 cases b) 975 c) 7,5 days
	t= 1,78		m= 1,23
	a) 89,8% b) 81,3%		t=5,66
	a) 340 days per year b) 17 days c) 20 days		a) 8,2‰ b) 12,7‰ c) -4,5‰
	88,8%		М=71,6 σ = 1,79 С=2,5
	a) 22% b) 8 visits for 1man If we compare results in this year with previous year our conclusion will be: percentage of hospitalization is decreased, but quantity of visitors of 1 patient is increased		Birth rate = 8,2‰ Mortality= 12,7‰
	a) 8,2‰ b) 12,7‰ c) -4,5‰		m=1,23
	60‰		t= 1,78

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