Reference no: EM132845226
How much should a healthy Shetland pony weigh? Let xyx: 3, 6, 12, 17, 21y: 60, 95, 140, 158, 189 be the age of the pony (in months), and let be the average weight of the pony (in kilograms).
(b) Would you say the correlation is low, moderate, or strong?
(c) Would you say the correlation is positive or negative?
(d) Use a calculator to verify that Σ(x) = 59, Σ(x2) = 919, Σ(y) = 642, Σ(y2) = 92,910, and Σ(x y) = 9,085.
(e) Compute r. (Enter a number. Round your answer to three decimal places.)
(f) As x increases from 3 to 21 months, does the value of r imply that y should tend to increase or decrease? Explain your answer.
-Given our value of r, y should tend to decrease as x increases.
-Given our value of r, y should tend to increase as x increases.
-Given our value of r, we can not draw any conclusions for the behavior of y as x increases.
-Given our value of r, y should tend to remain constant as x increases.
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: Let xyx: 3, 6, 12, 17, 21y: 60, 95, 140, 158, 189 be the age of the pony (in months), and let be the average weight of the pony (in kilograms).
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