Given that the value of r is 0.995, should y increase as x increases, does the value of r imply that y should tend to increase, decrease, or remain the same? Explain.

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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). Suppose a random sample of ponies gave the following information.

 

x

4

7

14

19

21

y

50

85

130

160

175


Given that the value of r is 0.995, should y increase as x increases, does the value of r imply that y should tend to increase, decrease, or remain the same? Explain.

  
Since r is negative, as x increases, y remains the same.
 
 
  
Since r is positive, as x increases, y increases.
 
 
  
Since r is positive, as x increases, y remains the same.
 
 
  
Since r is negative, as x increases, y increases.
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). Suppose a random sample of ponies gave the following information.
x
y
7
14 19 21
50 85 130 160 175
Given that the value ofr is 0.995, should y increase as x increases, does the value of r imply
that y should tend to increase, decrease, or remain the same? Explain.
Since r is negative, as x increases, y remains the same.
Sincer is positive, as x increases, y increases.
Sincer is positive, as x increases, y remains the same.
Sincer is negative, as x increases, y increases.
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). Suppose a random sample of ponies gave the following information. x y 7 14 19 21 50 85 130 160 175 Given that the value ofr is 0.995, should y increase as x increases, does the value of r imply that y should tend to increase, decrease, or remain the same? Explain. Since r is negative, as x increases, y remains the same. Sincer is positive, as x increases, y increases. Sincer is positive, as x increases, y remains the same. Sincer is negative, as x increases, y increases.
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