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How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). 12 16 170 24 Y60 95 140 181 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 25 180. 160 20 ミ140) 15 E 120 100 10 > 80 60 E 10 15 20 60 80 100 120 140 160 180 x (age (in months)) X (age (in months)) 25 180 20 o 160 140 15 120 10 E 100 > 80 60 Le 60 80 100 120 140 160 180 5. 10 15 20 X (age (in months)) X (age (in months)) y (average weight (in kg)) y (average weight (in kg)) y (average weight (in kg) y (average weight (in kg)

How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). 12 16 170 24 Y60 95 140 181 A USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 25 180. 160 20 ミ140) 15 E 120 100 10 > 80 60 E 10 15 20 60 80 100 120 140 160 180 x (age (in months)) X (age (in months)) 25 180 20 o 160 140 15 120 10 E 100 > 80 60 Le 60 80 100 120 140 160 180 5. 10 15 20 X (age (in months)) X (age (in months)) y (average weight (in kg)) y (average weight (in kg)) y (average weight (in kg) y (average weight (in kg)

MATLAB: An Introduction with Applications
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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How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). 3. 12 16 24 60 95 140 170 181 n USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 25 180 160 140 15 120 100 10 80 5 60 10 15 60 80 100 120 140 160 180 x (age (in months)) x (age (in months)) 25 180 160 140 15 120 100 80 60 60 80 100 120 140 160 180 10 15 x (age (in months)) X (age (in months)) 20 20 y (average weight (in kg)) y (average weight (in kg)) 20 20 10 5. y (average weight (in kg)) y (average weight (in kg))
Transcribed Image Text:How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y be the average weight of the pony (in kilograms). 3. 12 16 24 60 95 140 170 181 n USE SALT (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 25 180 160 140 15 120 100 10 80 5 60 10 15 60 80 100 120 140 160 180 x (age (in months)) x (age (in months)) 25 180 160 140 15 120 100 80 60 60 80 100 120 140 160 180 10 15 x (age (in months)) X (age (in months)) 20 20 y (average weight (in kg)) y (average weight (in kg)) 20 20 10 5. y (average weight (in kg)) y (average weight (in kg))
(b) Would you say the correlation is low, moderate, or strong? low O moderate O strong Would you say the correlation is positive or negative? O positive O negative (c) Use a calculator to verify that `x = 61, x² = 1021, y = 646, y = 93,886, and xy = 9,494. %3D %3D Compute r. (Round your answer to four decimal places.) As x increases from 3 to 24 months, does the value of r imply that y should tend to increase or decrease? Explain your answer. O Given our value of r, y should tend to decrease as x increases. O Given our value of r, y should tend to increase as x increases. O Given our value of r, we can not draw any conclusions for the behavior of y as x increases. O Given our value of r, y should tend to remain constant as x increases.
Transcribed Image Text:(b) Would you say the correlation is low, moderate, or strong? low O moderate O strong Would you say the correlation is positive or negative? O positive O negative (c) Use a calculator to verify that `x = 61, x² = 1021, y = 646, y = 93,886, and xy = 9,494. %3D %3D Compute r. (Round your answer to four decimal places.) As x increases from 3 to 24 months, does the value of r imply that y should tend to increase or decrease? Explain your answer. O Given our value of r, y should tend to decrease as x increases. O Given our value of r, y should tend to increase as x increases. O Given our value of r, we can not draw any conclusions for the behavior of y as x increases. O Given our value of r, y should tend to remain constant as x increases.
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