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Multiple Choice Question. The table below shows data collected on the length and weight of sand sharks. Length 60 62 64 66 68 70 72 Weight 105 114 124 131 139 149 158 A linear regression analysis is run on this data and results in a linear regression equation of y = 4.36x - 156.14 where x is the length of the shark in inches and y is the weight of the sharks in pounds. The correlation coefficient (r) is calculated as 0.9991. What weight does the model predict for a sand shark that is 90 inches in length? Is this an interpolation or an extrapolation? A. 236.26 lb, which is an interpolation B. 56.45 lb, which is an interpolation C. 236.26 lb, which is an extrapolation D. 56.45 lb, which is an extrapolation

Multiple Choice Question. The table below shows data collected on the length and weight of sand sharks. Length 60 62 64 66 68 70 72 Weight 105 114 124 131 139 149 158 A linear regression analysis is run on this data and results in a linear regression equation of y = 4.36x - 156.14 where x is the length of the shark in inches and y is the weight of the sharks in pounds. The correlation coefficient (r) is calculated as 0.9991. What weight does the model predict for a sand shark that is 90 inches in length? Is this an interpolation or an extrapolation? A. 236.26 lb, which is an interpolation B. 56.45 lb, which is an interpolation C. 236.26 lb, which is an extrapolation D. 56.45 lb, which is an extrapolation

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Multiple Choice Question.

The table below shows data collected on the length and weight of sand sharks.

Length 60 62 64 66 68 70 72
Weight 105 114 124 131 139 149 158

A linear regression analysis is run on this data and results in a linear regression equation of y = 4.36x - 156.14 where x is the length of the shark in inches and y is the weight of the sharks in pounds. The correlation coefficient (r) is calculated as 0.9991.

What weight does the model predict for a sand shark that is 90 inches in length? Is this an interpolation or an extrapolation?

A. 236.26 lb, which is an interpolation

B. 56.45 lb, which is an interpolation

C. 236.26 lb, which is an extrapolation

D. 56.45 lb, which is an extrapolation

 

 

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