Pterosaur Data Humerus, x 26 31 25 23 19 Wingspan, y Wingspan, y 685 690 702 717 681 646 631 622 614 508 1.4 40 1.3 33 1.2 30 1.0 28 0.8 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 52 centimeters. cm Humerus, x 29 35 24 21 16

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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. (A graphing calculator is
recommended.)
Pterosaur Data
Humerus, x
Wingspan, y
Humerus, X
Wingspan, y
26
685
29
690
31
702
35
717
25
681
24
646
23
631
21
622
19
614
16
508
1.4
40
1.3
33
1.2
30
1.0
28
0.8
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 52 centimeters.
cm
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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 26 685 29 690 31 702 35 717 25 681 24 646 23 631 21 622 19 614 16 508 1.4 40 1.3 33 1.2 30 1.0 28 0.8 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 52 centimeters. cm Need Help? Read It
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