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John's parents recorded his height at various ages up to 66 months. They decide to use the least- squares regression line of John's height on age to predict his height at age 21 years (252 months). We conclude: OJohn's height, in inches, should be about half his age, in months. O such a prediction could be misleading, because it involves extrapolation. O that the parents will get a fairly accurate estimate of his height at age 21 years because the data are clearly correlated. none of the above.

John's parents recorded his height at various ages up to 66 months. They decide to use the least- squares regression line of John's height on age to predict his height at age 21 years (252 months). We conclude: OJohn's height, in inches, should be about half his age, in months. O such a prediction could be misleading, because it involves extrapolation. O that the parents will get a fairly accurate estimate of his height at age 21 years because the data are clearly correlated. none of the above.

Calculus For The Life Sciences
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.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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John's parents recorded his height at various ages up to 66 months. They decide to use the least- squares regression line of John's height on age to predict his height at age 21 years (252 months). We conclude: O John's height, in inches, should be about half his age, in months. O such a prediction could be misleading, because it involves extrapolation. O that the parents will get a fairly accurate estimate of his height at age 21 years because the data are clearly correlated. none of the above.
Transcribed Image Text:John's parents recorded his height at various ages up to 66 months. They decide to use the least- squares regression line of John's height on age to predict his height at age 21 years (252 months). We conclude: O John's height, in inches, should be about half his age, in months. O such a prediction could be misleading, because it involves extrapolation. O that the parents will get a fairly accurate estimate of his height at age 21 years because the data are clearly correlated. none of the above.
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