# Human Demography Calculations of Survivorship and Mortality Lab 11

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Lab 11 Human Demography Lab (10 points total)
Data Table II: Calculations of Survivorship and Mortality
1. To calculate the # alive, place your total number of deaths in the first row (0-9) of column B. This is
the total number of people in your group upon which death took its toll as they grew older.
2. Subtract the number who died in each age interval (column A) from the number who were "alive" in
your sample from the beginning of that age interval. Write this number in the next row in column B.
Repeat to fill out column
3. Calculate the survivorship - for each row in column C, divide the number in column B by the TOTAL
you found at the bottom of column A. This gives you the fraction of people that survived to each age
interval. By definition, the survivorship of the first age interval equals 1.0 (all living newborns have
survived to that point)
Females Who Died Before 1950
Column A
Column B
Column C
Mortality (M) = # of deaths per age interval
# "alive" at the beginning of age
interval
Survivorship (S)
0-9
1
20
1.0 (by
definition)
10-19
0
19
.95
20-29
3
19
.95
30-39
2
16
.80
40-49
2
14
.70
50-59
1
12
.60
60-69
6
11
.55
70-79
2
5
.25
80-89
3
3
.15
90-99
0
0
0
100-
109
0
0
0
Total Number of Deaths for data
set___20________
0
0

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Lab 11 Human Demography Lab (10 points total)
Females Who Died After 1950
Column A
Column B
Mortality (M) = # of deaths per age interval
# "alive" at the beginning of age
interval
0-9
0
20
10-19
0
20
20-29
0
20
30-39
0
20
40-49
2
20
50-59
1
18
60-69
1
17
70-79
6
16
80-89
6
10
90-99
3
4
100-
109
1
1
Total Number of Deaths for data
set____20_______
0
Males Who Died Before 1950
Column A
Column B
Mortality (M) = # of deaths per age interval
# "alive" at the beginning of age
interval
0-9
0
20
10-19
1
20
20-29
1
19
30-39
1
18
40-49
3
17
50-59
3
14
60-69
3
11
70-79
5
8
80-89
3
3
90-99
0
0
100-
109
0
0
Total Number of Deaths for data
set_____20______
0

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Lab 11 Human Demography –Lab (10 points total) Data Table II: Calculations of Survivorship and Mortality 1. To calculate the # alive, place your total number of deaths in the first row (0-9) of column B. This is the total number of people in your group upon which death took its toll as they grew older. 2. Subtract the number who died in each age interval (column A) from the number who were "alive" in your sample from the beginning of that age interval. Write this number in the next row in column B. Repeat to fill out column 3. Calculate the survivorship - for each row in column C, divide the number in column B by the TOTAL you found at the bottom of column A. This gives you the fraction of people that survived to each age interval. By definition, the survivorship of the first age interval equals 1.0 (all living newborns have survived to that point) Females Who Died Before 1950 Column A 0-9 Column B Column C # "alive" at the beginning of age Mortality (M) = # of deaths per age interval Survivorship (S) interval 1.0 (by 1 20 definition) 0 19 .95 3 19 .95 2 16 .80 2 14 .70 1 12 .60 6 11 .55 2 5 .25 3 3 .15 0 0 0 10-19 20-29 30-39 40-49 50-59 60-69 70-79 80-89 90-99 1000 109 Total Number of Deaths for data set___20________ 0 0 0 0 Lab 11 Human Demography –Lab (10 points total) Females Who Died After 1950 Column A 0-9 Column B Column C # "alive" at the beginning of age Mortality (M) = # of deaths per age interval Survivorship (S) interval 1.0 (by 0 20 definition) 0 ...
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