ŷ =
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Adapted from a graph in Glenn J. Tattersall et al., "Heat exchange from the toucan bill reveals a controllable vascular thermal radiator," Science, 325 (2009), pp. 468-
470.
What is the equation of the least-squares regression line for predicting beak heat loss, as a percentage of total body heat loss
from all sources, from temperature? Use decimal notation. Give the values of the intercept and slope to three decimal places.
Use the letter x to represent the value of the temperature.
![The toco toucan, the largest member of the toucan family, possesses the largest beak relative to body size of all birds. This
exaggerated feature has received various interpretations, such as being a refined adaptation for feeding. However, the large
surface area may also be an important mechanism for radiating heat (and hence cooling the bird) as outdoor temperature
increases. The table contains data for beak heat loss, as a percentage of total body heat loss from all sources, at various
temperatures in degrees Celsius. The data show that beak heat loss is higher at higher temperatures and that the relationship
is roughly linear. [Note: The numerical values in this problem have been modified for testing purposes.]
Temperature (°C)
15
16
17
18
19
20
21
22
23
24
25
26
27
Percent heat loss from beak
33
33
33
31
37
44
56
52
45
54
46
55
57](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6db2f3ac-3ca0-4850-ac10-813504312796%2Fc18e766d-7e36-4c04-b042-d05cee3d3bc8%2Fodebrj8_processed.png&w=3840&q=75)
Transcribed Image Text:The toco toucan, the largest member of the toucan family, possesses the largest beak relative to body size of all birds. This
exaggerated feature has received various interpretations, such as being a refined adaptation for feeding. However, the large
surface area may also be an important mechanism for radiating heat (and hence cooling the bird) as outdoor temperature
increases. The table contains data for beak heat loss, as a percentage of total body heat loss from all sources, at various
temperatures in degrees Celsius. The data show that beak heat loss is higher at higher temperatures and that the relationship
is roughly linear. [Note: The numerical values in this problem have been modified for testing purposes.]
Temperature (°C)
15
16
17
18
19
20
21
22
23
24
25
26
27
Percent heat loss from beak
33
33
33
31
37
44
56
52
45
54
46
55
57
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