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Question
Obtain the Crude Death Rate (CDR) for city A from the data given below.
| Age group (in years) |
City A | |
| Population | No. of deaths | |
| Below 15 | 800 | 32 |
| 15 - 25 | 3000 | 12 |
| 25 - 65 | 4800 | 48 |
| 65 and above | 1400 | 42 |
Sum
Solution
| Age group (in years) |
City A | |
| Population | No. of deaths | |
| Below 15 | 800 | 32 |
| 15 - 25 | 3000 | 12 |
| 25 - 65 | 4800 | 48 |
| 65 and above | 1400 | 42 |
| Total | 10000 | 134 |
CDR = `(ΣDi)/(ΣP_i) xx 1000`
= `134/10000 xx 1000`
CDR = 13.4 per thousand
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Uses of Vital Statistics in Demography
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Following table gives the age of husbands and wives
|
Age of wives (in years) |
Age of husbands (in years) |
|||
|
20-30 |
30-40 |
40-50 |
50-60 |
|
|
15-25 |
5 |
9 |
3 |
— |
|
25-35 |
— |
10 |
25 |
2 |
|
35-45 |
— |
1 |
12 |
2 |
|
45-55 |
— |
— |
4 |
16 |
|
55-65 |
— |
— |
— |
4 |
Find:
(a)The marginal frequency distribution of the age of husbands.
(b)The conditional distribution of the age of husbands when the age of wives lies between 25 - 35
