The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator is recommended.) Pterosaur Data Humerus, x Wingspan, y Humerus, x Wingspan, y 26 657 27 705 30 730 31 746 25 574 23 573 22 509 20 484 18 469 17 450 1.6 43 1.3 38 1.2 32 1.1 29 0.9 26 (a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth. (b) Use the equation from part (a) to determine, to the nearest centimeter, the projected wingspan of a pterosaur if its humerus is 55 centimeters. cm

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The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles.

The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator is recommended.)
Pterosaur Data
Humerus, x
Wingspan, y
Humerus, x
Wingspan, y
26
657
27
705
30
730
31
746
25
574
23
573
22
509
20
484
18
469
17
450
1.6
43
1.3
38
1.2
32
1.1
29
0.9
26
(a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth.
ý =
(b) Use the equation from part (a) to determine, to the nearest centimeter, the projected wingspan of a pterosaur if its humerus is 55 centimeters.
cm
Transcribed Image Text:The following table shows the length, in centimeters, of the humerus and the total wingspan, in centimeters, of several pterosaurs, which are extinct flying reptiles. (A graphing calculator is recommended.) Pterosaur Data Humerus, x Wingspan, y Humerus, x Wingspan, y 26 657 27 705 30 730 31 746 25 574 23 573 22 509 20 484 18 469 17 450 1.6 43 1.3 38 1.2 32 1.1 29 0.9 26 (a) Find the equation of the least-squares regression line for the data. Round constants to the nearest hundredth. ý = (b) Use the equation from part (a) to determine, to the nearest centimeter, the projected wingspan of a pterosaur if its humerus is 55 centimeters. cm
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