1. Zoologists are investigating the impact of a new open-air enclosure that was built to house lemurs. They want to see if living in the new enclosure (compared to keeping them in a smaller roofed cage) increases their energy level. There are 40 lemurs at the zoo. For each of the following scenarios, assuming all relevant assumptions have been met, name the statistical test that should be used and write the appropriate null hypothesis (you do not need to include Ha): a. They randomly divide the lemurs into two even groups and house one group in the open-air enclosure and the other group in the roofed cage. In one 24-hour period, they measure how much time each lemur is active (not sleeping, resting, or eating). b. They randomly divide the lemurs into two even groups and house one group in the open-air enclosure and the other group in the roofed cage. In one 24-hour period, they record whether or not each lemur has spent at least 4 of those hours being active (not sleeping, resting, or eating). c. Suppose that lemurs in the wild spend an average of 6 hours per day being active. They move all 40 lemurs into the new open-air enclosure and in one 24-hour period, they measure how much time each lemur is active (not sleeping, resting, or eating).
1. Zoologists are investigating the impact of a new open-air enclosure that was built to house lemurs. They want to see if living in the new enclosure (compared to keeping them in a smaller roofed cage) increases their energy level. There are 40 lemurs at the zoo. For each of the following scenarios, assuming all relevant assumptions have been met, name the statistical test that should be used and write the appropriate null hypothesis (you do not need to include Ha): a. They randomly divide the lemurs into two even groups and house one group in the open-air enclosure and the other group in the roofed cage. In one 24-hour period, they measure how much time each lemur is active (not sleeping, resting, or eating). b. They randomly divide the lemurs into two even groups and house one group in the open-air enclosure and the other group in the roofed cage. In one 24-hour period, they record whether or not each lemur has spent at least 4 of those hours being active (not sleeping, resting, or eating). c. Suppose that lemurs in the wild spend an average of 6 hours per day being active. They move all 40 lemurs into the new open-air enclosure and in one 24-hour period, they measure how much time each lemur is active (not sleeping, resting, or eating).
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.CR: Chapter 12 Review
Problem 14CR
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Transcribed Image Text:Part 1 - Hand work (all work and graphs must be done by hand).
atab
• Assume a= 0.05 unless otherwise noted.
Show your work and include appropriate units with answers when relevant.
Round all numeric answers to at least 3 decimal places.
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Transcribed Image Text:1. Zoologists are investigating the impact of a new open-air enclosure that was built to
house lemurs. They want to see if living in the new enclosure (compared to keeping
them in a smaller roofed cage) increases their energy level. There are 40 lemurs at the
zoo. For each of the following scenarios, assuming all relevant assumptions have been
met, name the statistical test that should be used and write the appropriate null hypothesis
(you do not need to include Ha):
a. They randomly divide the lemurs into two even groups and house one group in the
open-air enclosure and the other group in the roofed cage. In one 24-hour period,
they measure how much time each lemur is active (not sleeping, resting, or eating).
b. They randomly divide the lemurs into two even groups and house one group in the
open-air enclosure and the other group in the roofed cage. In one 24-hour period,
they record whether or not each lemur has spent at least 4 of those hours being active
(not sleeping, resting, or eating).
c. Suppose that lemurs in the wild spend an average of 6 hours per day being active.
They move all 40 lemurs into the new open-air enclosure and in one 24-hour period,
they measure how much time each lemur is active (not sleeping, resting, or eating).
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