# Human Population Growth Hypotheses & Worksheet Lab

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Lab 7 - Human Population Growth
Hypotheses & Worksheet
Hypotheses (Pre-data collection questions) (10 pts)
Write your answers to each question below before you start collecting data (use the electronic
assignment).
1. Do you think the death rate will be different before and after 1950? Why? (3 pts)
Yes, the death rate will be different before and after 1950 based upon medical advancement,
and large wars. Higher death rate before 1950 than after.
2. Would you expect infant mortality to be higher or lower before or after 1950? Why?
(3 pts)
I think the infant mortality rate will be lower because of an advancement in medicine,
technology, and transportation as there are more hospitals as it is easier to get to them.
3. How might the survivorship of females differ from that of males in the 20-30 age group
before 1950? (Why?) (4 pts)
Before 1950 there was more wars and more dangerous work (mining, construction) with less
regulations. Women were to stay at the home and produce children at this age, not many
women in the workforce for their survivorship.

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Calculations of Survivorship and Mortality
1. Open the Excel file Lab 07 - Human Population Growth Data” provided on eLC.
2. Use the data in the Age of Death columns (columns D, G, J, and M in the Raw Data Entry tab)
to calculate the number of people who died in each age category to fill in Table 1 in the Raw
Data Entry tab.
3. Use the data from Table 1 in the Raw Data Entry tab to fill in the needed information in the
Survivorship Calculations tab. Instructions are written in the Excel file. Make sure to only fill in
the light yellow cells in the sheet and all of the other data will be automatically calculated.
4. 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.
Human Population Growth Worksheet (30 total points)
1. How does the number of survivors change in the 0-19 year old age group from the pre-1950
to post-1950 populations? List 4 reasons that could explain why your probability of surviving
from 0-19 could change depending on if you were born pre-1950 or post 1950. (4 pts)
There were 19 males and 26 females 0-19 that died pre-1950 and 12 males and 9 females 0-19
that died post-1950. The probability of surviving would be greater if born post-1950 because
of many advancements. Post-1950 has more advancements in medicine such as vaccines to
cure sickness, better transportation to receive medical care, less harsh wartime conditions
and an advancement in technology.
2. How does the number of survivors change in the 20-40 year old age group from the pre 1950
to post 1950 populations? Does the probability of you surviving from 20-40 depend on whether
you are a male or female? List 2 reasons that could explain why your probability of surviving
from 20-40 could change depending on if you were a woman born pre-1950 or post 1950.
(4 pts)
There were 31 males and females 20-40 that died pre-1950 and 27 males and females 20-40
that died post-1950. The probability of surviving was greater as a female than a male because
of harsh working and wartime conditions that many males faced as woman typically were in
the home. As a woman chance of survival would change because woman would be more in
the workforce and have less initiative to stay at home with the child.

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Lab 7 - Human Population Growth Hypotheses & Worksheet Hypotheses (Pre-data collection questions) (10 pts) Write your answers to each question below before you start collecting data (use the electronic assignment). 1. Do you think the death rate will be different before and after 1950? Why? (3 pts) Yes, the death rate will be different before and after 1950 based upon medical advancement, and large wars. Higher death rate before 1950 than after. 2. Would you expect infant mortality to be higher or lower before or after 1950? Why? (3 pts) I think the infant mortality rate will be lower because of an advancement in medicine, technology, and transportation as there are more hospitals as it is easier to get to them. 3. How might the survivorship of females differ from that of males in the 20-30 age group before 1950? (Why?) (4 pts) Before 1950 there was more wars and more dangerous work (mining, construction) with less regulations. Women were to stay at the home and produce children at this age, not many women in the workforce for their survivorship. Calculations of Survivorship and Mortality 1. Open the Excel file “Lab 07 - Human Population Growth Data” provided on eLC. 2. Us ...
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